Home / 17,642.04-26,462.76-8,279.88

Finding the Fourth Proportional to 17,642.04, 26,462.76 and 8,279.88

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Solution

The fourth proportional to 17,642.04, 26,462.76 and 8,279.88 is: 12,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,642.04 : 26,462.76 = 8,279.88 : x
  2. Step 2: Convert to fraction form
    17,642.04/26,462.76 = 8,279.88/x
  3. Step 3: Cross multiply
    17,642.04x = 26,462.76 × 8,279.88
  4. Step 4: Simplify right side
    17,642.04x = 219,108,477.27
  5. Step 5: Solve for x
    x = 219,108,477.27/17,642.04
  6. Step 6: Final answer
    x = 12,419.68

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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.