Home / 38,009.18-57,013.76-11,713.91

Finding the Fourth Proportional to 38,009.18, 57,013.76 and 11,713.91

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Solution

The fourth proportional to 38,009.18, 57,013.76 and 11,713.91 is: 17,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.18 : 57,013.76 = 11,713.91 : x
  2. Step 2: Convert to fraction form
    38,009.18/57,013.76 = 11,713.91/x
  3. Step 3: Cross multiply
    38,009.18x = 57,013.76 × 11,713.91
  4. Step 4: Simplify right side
    38,009.18x = 667,853,709.76
  5. Step 5: Solve for x
    x = 667,853,709.76/38,009.18
  6. Step 6: Final answer
    x = 17,570.86

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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.