Home / 18,073.56-24,941.27-10,115.78

Finding the Fourth Proportional to 18,073.56, 24,941.27 and 10,115.78

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Solution

The fourth proportional to 18,073.56, 24,941.27 and 10,115.78 is: 13,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.56 : 24,941.27 = 10,115.78 : x
  2. Step 2: Convert to fraction form
    18,073.56/24,941.27 = 10,115.78/x
  3. Step 3: Cross multiply
    18,073.56x = 24,941.27 × 10,115.78
  4. Step 4: Simplify right side
    18,073.56x = 252,300,349.66
  5. Step 5: Solve for x
    x = 252,300,349.66/18,073.56
  6. Step 6: Final answer
    x = 13,959.64

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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.