Home / 11,708.13-16,157.17-6,402.90

Finding the Fourth Proportional to 11,708.13, 16,157.17 and 6,402.90

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Solution

The fourth proportional to 11,708.13, 16,157.17 and 6,402.90 is: 8,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.13 : 16,157.17 = 6,402.90 : x
  2. Step 2: Convert to fraction form
    11,708.13/16,157.17 = 6,402.90/x
  3. Step 3: Cross multiply
    11,708.13x = 16,157.17 × 6,402.90
  4. Step 4: Simplify right side
    11,708.13x = 103,452,743.79
  5. Step 5: Solve for x
    x = 103,452,743.79/11,708.13
  6. Step 6: Final answer
    x = 8,835.97

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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.