Home / 9,156.53-12,635.66-5,177.73

Finding the Fourth Proportional to 9,156.53, 12,635.66 and 5,177.73

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Solution

The fourth proportional to 9,156.53, 12,635.66 and 5,177.73 is: 7,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.53 : 12,635.66 = 5,177.73 : x
  2. Step 2: Convert to fraction form
    9,156.53/12,635.66 = 5,177.73/x
  3. Step 3: Cross multiply
    9,156.53x = 12,635.66 × 5,177.73
  4. Step 4: Simplify right side
    9,156.53x = 65,424,035.85
  5. Step 5: Solve for x
    x = 65,424,035.85/9,156.53
  6. Step 6: Final answer
    x = 7,145.07

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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.