Home / 9,742.86-13,429.26-6,199.92

Finding the Fourth Proportional to 9,742.86, 13,429.26 and 6,199.92

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Solution

The fourth proportional to 9,742.86, 13,429.26 and 6,199.92 is: 8,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.86 : 13,429.26 = 6,199.92 : x
  2. Step 2: Convert to fraction form
    9,742.86/13,429.26 = 6,199.92/x
  3. Step 3: Cross multiply
    9,742.86x = 13,429.26 × 6,199.92
  4. Step 4: Simplify right side
    9,742.86x = 83,260,337.66
  5. Step 5: Solve for x
    x = 83,260,337.66/9,742.86
  6. Step 6: Final answer
    x = 8,545.78

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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.