Home / 18,079.72-24,944.29-10,120.86

Finding the Fourth Proportional to 18,079.72, 24,944.29 and 10,120.86

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Solution

The fourth proportional to 18,079.72, 24,944.29 and 10,120.86 is: 13,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.72 : 24,944.29 = 10,120.86 : x
  2. Step 2: Convert to fraction form
    18,079.72/24,944.29 = 10,120.86/x
  3. Step 3: Cross multiply
    18,079.72x = 24,944.29 × 10,120.86
  4. Step 4: Simplify right side
    18,079.72x = 252,457,641.59
  5. Step 5: Solve for x
    x = 252,457,641.59/18,079.72
  6. Step 6: Final answer
    x = 13,963.58

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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.