Home / 13,714.38-20,572.77-3,853.74

Finding the Fourth Proportional to 13,714.38, 20,572.77 and 3,853.74

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Solution

The fourth proportional to 13,714.38, 20,572.77 and 3,853.74 is: 5,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.38 : 20,572.77 = 3,853.74 : x
  2. Step 2: Convert to fraction form
    13,714.38/20,572.77 = 3,853.74/x
  3. Step 3: Cross multiply
    13,714.38x = 20,572.77 × 3,853.74
  4. Step 4: Simplify right side
    13,714.38x = 79,282,106.66
  5. Step 5: Solve for x
    x = 79,282,106.66/13,714.38
  6. Step 6: Final answer
    x = 5,780.95

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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.