Home / 9,017.70-12,449.61-6,189.18

Finding the Fourth Proportional to 9,017.70, 12,449.61 and 6,189.18

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Solution

The fourth proportional to 9,017.70, 12,449.61 and 6,189.18 is: 8,544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.70 : 12,449.61 = 6,189.18 : x
  2. Step 2: Convert to fraction form
    9,017.70/12,449.61 = 6,189.18/x
  3. Step 3: Cross multiply
    9,017.70x = 12,449.61 × 6,189.18
  4. Step 4: Simplify right side
    9,017.70x = 77,052,877.22
  5. Step 5: Solve for x
    x = 77,052,877.22/9,017.70
  6. Step 6: Final answer
    x = 8,544.63

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Double scale
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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.