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Finding the Fourth Proportional to 15,378.95, 23,068.43 and 8,800.57

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Solution

The fourth proportional to 15,378.95, 23,068.43 and 8,800.57 is: 13,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.95 : 23,068.43 = 8,800.57 : x
  2. Step 2: Convert to fraction form
    15,378.95/23,068.43 = 8,800.57/x
  3. Step 3: Cross multiply
    15,378.95x = 23,068.43 × 8,800.57
  4. Step 4: Simplify right side
    15,378.95x = 203,015,297.34
  5. Step 5: Solve for x
    x = 203,015,297.34/15,378.95
  6. Step 6: Final answer
    x = 13,200.85

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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.