Home / 10,739.22-14,818.17-6,489.15

Finding the Fourth Proportional to 10,739.22, 14,818.17 and 6,489.15

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Solution

The fourth proportional to 10,739.22, 14,818.17 and 6,489.15 is: 8,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.22 : 14,818.17 = 6,489.15 : x
  2. Step 2: Convert to fraction form
    10,739.22/14,818.17 = 6,489.15/x
  3. Step 3: Cross multiply
    10,739.22x = 14,818.17 × 6,489.15
  4. Step 4: Simplify right side
    10,739.22x = 96,157,327.86
  5. Step 5: Solve for x
    x = 96,157,327.86/10,739.22
  6. Step 6: Final answer
    x = 8,953.85

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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.