Home / 9,116.81-13,670.53-4,182.19

Finding the Fourth Proportional to 9,116.81, 13,670.53 and 4,182.19

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Solution

The fourth proportional to 9,116.81, 13,670.53 and 4,182.19 is: 6,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.81 : 13,670.53 = 4,182.19 : x
  2. Step 2: Convert to fraction form
    9,116.81/13,670.53 = 4,182.19/x
  3. Step 3: Cross multiply
    9,116.81x = 13,670.53 × 4,182.19
  4. Step 4: Simplify right side
    9,116.81x = 57,172,764.32
  5. Step 5: Solve for x
    x = 57,172,764.32/9,116.81
  6. Step 6: Final answer
    x = 6,271.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.