Home / 15,127.80-22,659.30-12,535.80

Finding the Fourth Proportional to 15,127.80, 22,659.30 and 12,535.80

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Solution

The fourth proportional to 15,127.80, 22,659.30 and 12,535.80 is: 18,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.80 : 22,659.30 = 12,535.80 : x
  2. Step 2: Convert to fraction form
    15,127.80/22,659.30 = 12,535.80/x
  3. Step 3: Cross multiply
    15,127.80x = 22,659.30 × 12,535.80
  4. Step 4: Simplify right side
    15,127.80x = 284,052,452.94
  5. Step 5: Solve for x
    x = 284,052,452.94/15,127.80
  6. Step 6: Final answer
    x = 18,776.85

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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.