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Finding the Fourth Proportional to 15,184.60, 22,776.89 and 8,154.94

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Solution

The fourth proportional to 15,184.60, 22,776.89 and 8,154.94 is: 12,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.60 : 22,776.89 = 8,154.94 : x
  2. Step 2: Convert to fraction form
    15,184.60/22,776.89 = 8,154.94/x
  3. Step 3: Cross multiply
    15,184.60x = 22,776.89 × 8,154.94
  4. Step 4: Simplify right side
    15,184.60x = 185,744,134.78
  5. Step 5: Solve for x
    x = 185,744,134.78/15,184.60
  6. Step 6: Final answer
    x = 12,232.40

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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.