Home / 16,531.62-22,813.54-8,977.88

Finding the Fourth Proportional to 16,531.62, 22,813.54 and 8,977.88

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Solution

The fourth proportional to 16,531.62, 22,813.54 and 8,977.88 is: 12,389.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.62 : 22,813.54 = 8,977.88 : x
  2. Step 2: Convert to fraction form
    16,531.62/22,813.54 = 8,977.88/x
  3. Step 3: Cross multiply
    16,531.62x = 22,813.54 × 8,977.88
  4. Step 4: Simplify right side
    16,531.62x = 204,817,224.50
  5. Step 5: Solve for x
    x = 204,817,224.50/16,531.62
  6. Step 6: Final answer
    x = 12,389.42

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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.