Home / 19,829.28-29,712.36-10,468.96

Finding the Fourth Proportional to 19,829.28, 29,712.36 and 10,468.96

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Solution

The fourth proportional to 19,829.28, 29,712.36 and 10,468.96 is: 15,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.28 : 29,712.36 = 10,468.96 : x
  2. Step 2: Convert to fraction form
    19,829.28/29,712.36 = 10,468.96/x
  3. Step 3: Cross multiply
    19,829.28x = 29,712.36 × 10,468.96
  4. Step 4: Simplify right side
    19,829.28x = 311,057,508.35
  5. Step 5: Solve for x
    x = 311,057,508.35/19,829.28
  6. Step 6: Final answer
    x = 15,686.78

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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.