Home / 13,714.40-20,572.83-3,853.61

Finding the Fourth Proportional to 13,714.40, 20,572.83 and 3,853.61

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Solution

The fourth proportional to 13,714.40, 20,572.83 and 3,853.61 is: 5,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.40 : 20,572.83 = 3,853.61 : x
  2. Step 2: Convert to fraction form
    13,714.40/20,572.83 = 3,853.61/x
  3. Step 3: Cross multiply
    13,714.40x = 20,572.83 × 3,853.61
  4. Step 4: Simplify right side
    13,714.40x = 79,279,637.70
  5. Step 5: Solve for x
    x = 79,279,637.70/13,714.40
  6. Step 6: Final answer
    x = 5,780.76

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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.