Home / 16,289.25-22,479.17-9,215.52

Finding the Fourth Proportional to 16,289.25, 22,479.17 and 9,215.52

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Solution

The fourth proportional to 16,289.25, 22,479.17 and 9,215.52 is: 12,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.25 : 22,479.17 = 9,215.52 : x
  2. Step 2: Convert to fraction form
    16,289.25/22,479.17 = 9,215.52/x
  3. Step 3: Cross multiply
    16,289.25x = 22,479.17 × 9,215.52
  4. Step 4: Simplify right side
    16,289.25x = 207,157,194.64
  5. Step 5: Solve for x
    x = 207,157,194.64/16,289.25
  6. Step 6: Final answer
    x = 12,717.42

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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.