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Finding the Fourth Proportional to 16,554.20, 24,860.10 and 8,778.20

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Solution

The fourth proportional to 16,554.20, 24,860.10 and 8,778.20 is: 13,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,554.20 : 24,860.10 = 8,778.20 : x
  2. Step 2: Convert to fraction form
    16,554.20/24,860.10 = 8,778.20/x
  3. Step 3: Cross multiply
    16,554.20x = 24,860.10 × 8,778.20
  4. Step 4: Simplify right side
    16,554.20x = 218,226,929.82
  5. Step 5: Solve for x
    x = 218,226,929.82/16,554.20
  6. Step 6: Final answer
    x = 13,182.57

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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.