Home / 38,309.16-57,463.64-12,013.86

Finding the Fourth Proportional to 38,309.16, 57,463.64 and 12,013.86

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Solution

The fourth proportional to 38,309.16, 57,463.64 and 12,013.86 is: 18,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309.16 : 57,463.64 = 12,013.86 : x
  2. Step 2: Convert to fraction form
    38,309.16/57,463.64 = 12,013.86/x
  3. Step 3: Cross multiply
    38,309.16x = 57,463.64 × 12,013.86
  4. Step 4: Simplify right side
    38,309.16x = 690,360,126.05
  5. Step 5: Solve for x
    x = 690,360,126.05/38,309.16
  6. Step 6: Final answer
    x = 18,020.76

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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.