Home / 16,785.20-23,161.76-9,710.24

Finding the Fourth Proportional to 16,785.20, 23,161.76 and 9,710.24

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Solution

The fourth proportional to 16,785.20, 23,161.76 and 9,710.24 is: 13,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.20 : 23,161.76 = 9,710.24 : x
  2. Step 2: Convert to fraction form
    16,785.20/23,161.76 = 9,710.24/x
  3. Step 3: Cross multiply
    16,785.20x = 23,161.76 × 9,710.24
  4. Step 4: Simplify right side
    16,785.20x = 224,906,248.42
  5. Step 5: Solve for x
    x = 224,906,248.42/16,785.20
  6. Step 6: Final answer
    x = 13,399.08

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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.