Home / 38,108.46-57,164.30-11,813.70

Finding the Fourth Proportional to 38,108.46, 57,164.30 and 11,813.70

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Solution

The fourth proportional to 38,108.46, 57,164.30 and 11,813.70 is: 17,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,108.46 : 57,164.30 = 11,813.70 : x
  2. Step 2: Convert to fraction form
    38,108.46/57,164.30 = 11,813.70/x
  3. Step 3: Cross multiply
    38,108.46x = 57,164.30 × 11,813.70
  4. Step 4: Simplify right side
    38,108.46x = 675,321,890.91
  5. Step 5: Solve for x
    x = 675,321,890.91/38,108.46
  6. Step 6: Final answer
    x = 17,721.05

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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.