Home / 13,429.92-18,523.20-9,452.16

Finding the Fourth Proportional to 13,429.92, 18,523.20 and 9,452.16

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Solution

The fourth proportional to 13,429.92, 18,523.20 and 9,452.16 is: 13,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.92 : 18,523.20 = 9,452.16 : x
  2. Step 2: Convert to fraction form
    13,429.92/18,523.20 = 9,452.16/x
  3. Step 3: Cross multiply
    13,429.92x = 18,523.20 × 9,452.16
  4. Step 4: Simplify right side
    13,429.92x = 175,084,250.11
  5. Step 5: Solve for x
    x = 175,084,250.11/13,429.92
  6. Step 6: Final answer
    x = 13,036.88

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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.