Home / 17,628.18-26,426.91-6,691.86

Finding the Fourth Proportional to 17,628.18, 26,426.91 and 6,691.86

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Solution

The fourth proportional to 17,628.18, 26,426.91 and 6,691.86 is: 10,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.18 : 26,426.91 = 6,691.86 : x
  2. Step 2: Convert to fraction form
    17,628.18/26,426.91 = 6,691.86/x
  3. Step 3: Cross multiply
    17,628.18x = 26,426.91 × 6,691.86
  4. Step 4: Simplify right side
    17,628.18x = 176,845,181.95
  5. Step 5: Solve for x
    x = 176,845,181.95/17,628.18
  6. Step 6: Final answer
    x = 10,031.96

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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.