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Finding the Fourth Proportional to 15,202.60, 22,803.90 and 8,981.80

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Solution

The fourth proportional to 15,202.60, 22,803.90 and 8,981.80 is: 13,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202.60 : 22,803.90 = 8,981.80 : x
  2. Step 2: Convert to fraction form
    15,202.60/22,803.90 = 8,981.80/x
  3. Step 3: Cross multiply
    15,202.60x = 22,803.90 × 8,981.80
  4. Step 4: Simplify right side
    15,202.60x = 204,820,069.02
  5. Step 5: Solve for x
    x = 204,820,069.02/15,202.60
  6. Step 6: Final answer
    x = 13,472.70

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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.