Home / 15,144.48-22,711.20-5,281.92

Finding the Fourth Proportional to 15,144.48, 22,711.20 and 5,281.92

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Solution

The fourth proportional to 15,144.48, 22,711.20 and 5,281.92 is: 7,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.48 : 22,711.20 = 5,281.92 : x
  2. Step 2: Convert to fraction form
    15,144.48/22,711.20 = 5,281.92/x
  3. Step 3: Cross multiply
    15,144.48x = 22,711.20 × 5,281.92
  4. Step 4: Simplify right side
    15,144.48x = 119,958,741.50
  5. Step 5: Solve for x
    x = 119,958,741.50/15,144.48
  6. Step 6: Final answer
    x = 7,920.95

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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.