Home / 16,909.47-25,365.42-5,221.17

Finding the Fourth Proportional to 16,909.47, 25,365.42 and 5,221.17

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Solution

The fourth proportional to 16,909.47, 25,365.42 and 5,221.17 is: 7,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.47 : 25,365.42 = 5,221.17 : x
  2. Step 2: Convert to fraction form
    16,909.47/25,365.42 = 5,221.17/x
  3. Step 3: Cross multiply
    16,909.47x = 25,365.42 × 5,221.17
  4. Step 4: Simplify right side
    16,909.47x = 132,437,169.94
  5. Step 5: Solve for x
    x = 132,437,169.94/16,909.47
  6. Step 6: Final answer
    x = 7,832.13

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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.