Home / 14,714.62-20,301.51-9,128.86

Finding the Fourth Proportional to 14,714.62, 20,301.51 and 9,128.86

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Solution

The fourth proportional to 14,714.62, 20,301.51 and 9,128.86 is: 12,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.62 : 20,301.51 = 9,128.86 : x
  2. Step 2: Convert to fraction form
    14,714.62/20,301.51 = 9,128.86/x
  3. Step 3: Cross multiply
    14,714.62x = 20,301.51 × 9,128.86
  4. Step 4: Simplify right side
    14,714.62x = 185,329,642.58
  5. Step 5: Solve for x
    x = 185,329,642.58/14,714.62
  6. Step 6: Final answer
    x = 12,594.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.