Home / 14,822.80-20,456.24-8,537.20

Finding the Fourth Proportional to 14,822.80, 20,456.24 and 8,537.20

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Solution

The fourth proportional to 14,822.80, 20,456.24 and 8,537.20 is: 11,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,822.80 : 20,456.24 = 8,537.20 : x
  2. Step 2: Convert to fraction form
    14,822.80/20,456.24 = 8,537.20/x
  3. Step 3: Cross multiply
    14,822.80x = 20,456.24 × 8,537.20
  4. Step 4: Simplify right side
    14,822.80x = 174,639,012.13
  5. Step 5: Solve for x
    x = 174,639,012.13/14,822.80
  6. Step 6: Final answer
    x = 11,781.78

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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.