Home / 15,785.28-23,691.56-6,430.46

Finding the Fourth Proportional to 15,785.28, 23,691.56 and 6,430.46

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Solution

The fourth proportional to 15,785.28, 23,691.56 and 6,430.46 is: 9,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785.28 : 23,691.56 = 6,430.46 : x
  2. Step 2: Convert to fraction form
    15,785.28/23,691.56 = 6,430.46/x
  3. Step 3: Cross multiply
    15,785.28x = 23,691.56 × 6,430.46
  4. Step 4: Simplify right side
    15,785.28x = 152,347,478.31
  5. Step 5: Solve for x
    x = 152,347,478.31/15,785.28
  6. Step 6: Final answer
    x = 9,651.24

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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.