Home / 16,531.40-22,813.25-8,977.66

Finding the Fourth Proportional to 16,531.40, 22,813.25 and 8,977.66

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Solution

The fourth proportional to 16,531.40, 22,813.25 and 8,977.66 is: 12,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.40 : 22,813.25 = 8,977.66 : x
  2. Step 2: Convert to fraction form
    16,531.40/22,813.25 = 8,977.66/x
  3. Step 3: Cross multiply
    16,531.40x = 22,813.25 × 8,977.66
  4. Step 4: Simplify right side
    16,531.40x = 204,809,602.00
  5. Step 5: Solve for x
    x = 204,809,602.00/16,531.40
  6. Step 6: Final answer
    x = 12,389.13

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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.