Home / 15,120.50-22,679.52-9,557.62

Finding the Fourth Proportional to 15,120.50, 22,679.52 and 9,557.62

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Solution

The fourth proportional to 15,120.50, 22,679.52 and 9,557.62 is: 14,335.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.50 : 22,679.52 = 9,557.62 : x
  2. Step 2: Convert to fraction form
    15,120.50/22,679.52 = 9,557.62/x
  3. Step 3: Cross multiply
    15,120.50x = 22,679.52 × 9,557.62
  4. Step 4: Simplify right side
    15,120.50x = 216,762,233.94
  5. Step 5: Solve for x
    x = 216,762,233.94/15,120.50
  6. Step 6: Final answer
    x = 14,335.65

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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.