Home / 15,941.80-23,901.90-8,144.20

Finding the Fourth Proportional to 15,941.80, 23,901.90 and 8,144.20

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Solution

The fourth proportional to 15,941.80, 23,901.90 and 8,144.20 is: 12,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.80 : 23,901.90 = 8,144.20 : x
  2. Step 2: Convert to fraction form
    15,941.80/23,901.90 = 8,144.20/x
  3. Step 3: Cross multiply
    15,941.80x = 23,901.90 × 8,144.20
  4. Step 4: Simplify right side
    15,941.80x = 194,661,853.98
  5. Step 5: Solve for x
    x = 194,661,853.98/15,941.80
  6. Step 6: Final answer
    x = 12,210.78

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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.