Home / 12,446.13-17,175.04-6,780.85

Finding the Fourth Proportional to 12,446.13, 17,175.04 and 6,780.85

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Solution

The fourth proportional to 12,446.13, 17,175.04 and 6,780.85 is: 9,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.13 : 17,175.04 = 6,780.85 : x
  2. Step 2: Convert to fraction form
    12,446.13/17,175.04 = 6,780.85/x
  3. Step 3: Cross multiply
    12,446.13x = 17,175.04 × 6,780.85
  4. Step 4: Simplify right side
    12,446.13x = 116,461,250.20
  5. Step 5: Solve for x
    x = 116,461,250.20/12,446.13
  6. Step 6: Final answer
    x = 9,357.23

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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.