Home / 13,714.74-20,572.04-3,326.48

Finding the Fourth Proportional to 13,714.74, 20,572.04 and 3,326.48

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Solution

The fourth proportional to 13,714.74, 20,572.04 and 3,326.48 is: 4,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.74 : 20,572.04 = 3,326.48 : x
  2. Step 2: Convert to fraction form
    13,714.74/20,572.04 = 3,326.48/x
  3. Step 3: Cross multiply
    13,714.74x = 20,572.04 × 3,326.48
  4. Step 4: Simplify right side
    13,714.74x = 68,432,479.62
  5. Step 5: Solve for x
    x = 68,432,479.62/13,714.74
  6. Step 6: Final answer
    x = 4,989.70

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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.