Home / 9,111.26-12,574.08-6,081.18

Finding the Fourth Proportional to 9,111.26, 12,574.08 and 6,081.18

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Solution

The fourth proportional to 9,111.26, 12,574.08 and 6,081.18 is: 8,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.26 : 12,574.08 = 6,081.18 : x
  2. Step 2: Convert to fraction form
    9,111.26/12,574.08 = 6,081.18/x
  3. Step 3: Cross multiply
    9,111.26x = 12,574.08 × 6,081.18
  4. Step 4: Simplify right side
    9,111.26x = 76,465,243.81
  5. Step 5: Solve for x
    x = 76,465,243.81/9,111.26
  6. Step 6: Final answer
    x = 8,392.39

Related Problems

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Half scale
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Double scale
Find fourth proportional to 9,112.26, 12,575.46 and 6,082.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.