Home / 11,742.66-16,204.89-6,437.61

Finding the Fourth Proportional to 11,742.66, 16,204.89 and 6,437.61

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Solution

The fourth proportional to 11,742.66, 16,204.89 and 6,437.61 is: 8,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.66 : 16,204.89 = 6,437.61 : x
  2. Step 2: Convert to fraction form
    11,742.66/16,204.89 = 6,437.61/x
  3. Step 3: Cross multiply
    11,742.66x = 16,204.89 × 6,437.61
  4. Step 4: Simplify right side
    11,742.66x = 104,320,761.91
  5. Step 5: Solve for x
    x = 104,320,761.91/11,742.66
  6. Step 6: Final answer
    x = 8,883.91

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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.