Home / 10,489.22-14,474.26-6,508.88

Finding the Fourth Proportional to 10,489.22, 14,474.26 and 6,508.88

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Solution

The fourth proportional to 10,489.22, 14,474.26 and 6,508.88 is: 8,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.22 : 14,474.26 = 6,508.88 : x
  2. Step 2: Convert to fraction form
    10,489.22/14,474.26 = 6,508.88/x
  3. Step 3: Cross multiply
    10,489.22x = 14,474.26 × 6,508.88
  4. Step 4: Simplify right side
    10,489.22x = 94,211,221.43
  5. Step 5: Solve for x
    x = 94,211,221.43/10,489.22
  6. Step 6: Final answer
    x = 8,981.72

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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.