Home / 15,179.18-22,778.88-5,318.45

Finding the Fourth Proportional to 15,179.18, 22,778.88 and 5,318.45

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Solution

The fourth proportional to 15,179.18, 22,778.88 and 5,318.45 is: 7,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.18 : 22,778.88 = 5,318.45 : x
  2. Step 2: Convert to fraction form
    15,179.18/22,778.88 = 5,318.45/x
  3. Step 3: Cross multiply
    15,179.18x = 22,778.88 × 5,318.45
  4. Step 4: Simplify right side
    15,179.18x = 121,148,220.44
  5. Step 5: Solve for x
    x = 121,148,220.44/15,179.18
  6. Step 6: Final answer
    x = 7,981.21

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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.