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Finding the Fourth Proportional to 18,068.80, 24,931.92 and 10,410.88

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Solution

The fourth proportional to 18,068.80, 24,931.92 and 10,410.88 is: 14,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.80 : 24,931.92 = 10,410.88 : x
  2. Step 2: Convert to fraction form
    18,068.80/24,931.92 = 10,410.88/x
  3. Step 3: Cross multiply
    18,068.80x = 24,931.92 × 10,410.88
  4. Step 4: Simplify right side
    18,068.80x = 259,563,227.29
  5. Step 5: Solve for x
    x = 259,563,227.29/18,068.80
  6. Step 6: Final answer
    x = 14,365.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.