Home / 13,714.20-20,519.30-9,106.20

Finding the Fourth Proportional to 13,714.20, 20,519.30 and 9,106.20

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Solution

The fourth proportional to 13,714.20, 20,519.30 and 9,106.20 is: 13,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.20 : 20,519.30 = 9,106.20 : x
  2. Step 2: Convert to fraction form
    13,714.20/20,519.30 = 9,106.20/x
  3. Step 3: Cross multiply
    13,714.20x = 20,519.30 × 9,106.20
  4. Step 4: Simplify right side
    13,714.20x = 186,852,849.66
  5. Step 5: Solve for x
    x = 186,852,849.66/13,714.20
  6. Step 6: Final answer
    x = 13,624.77

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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.