Home / 11,377.85-15,701.68-6,342.58

Finding the Fourth Proportional to 11,377.85, 15,701.68 and 6,342.58

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Solution

The fourth proportional to 11,377.85, 15,701.68 and 6,342.58 is: 8,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.85 : 15,701.68 = 6,342.58 : x
  2. Step 2: Convert to fraction form
    11,377.85/15,701.68 = 6,342.58/x
  3. Step 3: Cross multiply
    11,377.85x = 15,701.68 × 6,342.58
  4. Step 4: Simplify right side
    11,377.85x = 99,589,189.09
  5. Step 5: Solve for x
    x = 99,589,189.09/11,377.85
  6. Step 6: Final answer
    x = 8,752.90

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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.