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Finding the Fourth Proportional to 14,592.32, 21,880.92 and 8,671.76

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Solution

The fourth proportional to 14,592.32, 21,880.92 and 8,671.76 is: 13,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592.32 : 21,880.92 = 8,671.76 : x
  2. Step 2: Convert to fraction form
    14,592.32/21,880.92 = 8,671.76/x
  3. Step 3: Cross multiply
    14,592.32x = 21,880.92 × 8,671.76
  4. Step 4: Simplify right side
    14,592.32x = 189,746,086.82
  5. Step 5: Solve for x
    x = 189,746,086.82/14,592.32
  6. Step 6: Final answer
    x = 13,003.15

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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.