Home / 8,944.12-12,347.70-6,115.66

Finding the Fourth Proportional to 8,944.12, 12,347.70 and 6,115.66

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Solution

The fourth proportional to 8,944.12, 12,347.70 and 6,115.66 is: 8,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.12 : 12,347.70 = 6,115.66 : x
  2. Step 2: Convert to fraction form
    8,944.12/12,347.70 = 6,115.66/x
  3. Step 3: Cross multiply
    8,944.12x = 12,347.70 × 6,115.66
  4. Step 4: Simplify right side
    8,944.12x = 75,514,334.98
  5. Step 5: Solve for x
    x = 75,514,334.98/8,944.12
  6. Step 6: Final answer
    x = 8,442.90

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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.