Home / 10,977.82-15,149.25-6,262.18

Finding the Fourth Proportional to 10,977.82, 15,149.25 and 6,262.18

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Solution

The fourth proportional to 10,977.82, 15,149.25 and 6,262.18 is: 8,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.82 : 15,149.25 = 6,262.18 : x
  2. Step 2: Convert to fraction form
    10,977.82/15,149.25 = 6,262.18/x
  3. Step 3: Cross multiply
    10,977.82x = 15,149.25 × 6,262.18
  4. Step 4: Simplify right side
    10,977.82x = 94,867,330.37
  5. Step 5: Solve for x
    x = 94,867,330.37/10,977.82
  6. Step 6: Final answer
    x = 8,641.73

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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.