Home / 15,785.28-23,677.92-6,429.24

Finding the Fourth Proportional to 15,785.28, 23,677.92 and 6,429.24

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Solution

The fourth proportional to 15,785.28, 23,677.92 and 6,429.24 is: 9,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785.28 : 23,677.92 = 6,429.24 : x
  2. Step 2: Convert to fraction form
    15,785.28/23,677.92 = 6,429.24/x
  3. Step 3: Cross multiply
    15,785.28x = 23,677.92 × 6,429.24
  4. Step 4: Simplify right side
    15,785.28x = 152,231,030.38
  5. Step 5: Solve for x
    x = 152,231,030.38/15,785.28
  6. Step 6: Final answer
    x = 9,643.86

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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.