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Finding the Fourth Proportional to 15,155.96, 22,733.98 and 5,295.24

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Solution

The fourth proportional to 15,155.96, 22,733.98 and 5,295.24 is: 7,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.96 : 22,733.98 = 5,295.24 : x
  2. Step 2: Convert to fraction form
    15,155.96/22,733.98 = 5,295.24/x
  3. Step 3: Cross multiply
    15,155.96x = 22,733.98 × 5,295.24
  4. Step 4: Simplify right side
    15,155.96x = 120,381,880.26
  5. Step 5: Solve for x
    x = 120,381,880.26/15,155.96
  6. Step 6: Final answer
    x = 7,942.87

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Similar ratio
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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.