Home / 11,549.76-17,330.40-4,155.87

Finding the Fourth Proportional to 11,549.76, 17,330.40 and 4,155.87

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Solution

The fourth proportional to 11,549.76, 17,330.40 and 4,155.87 is: 6,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549.76 : 17,330.40 = 4,155.87 : x
  2. Step 2: Convert to fraction form
    11,549.76/17,330.40 = 4,155.87/x
  3. Step 3: Cross multiply
    11,549.76x = 17,330.40 × 4,155.87
  4. Step 4: Simplify right side
    11,549.76x = 72,022,889.45
  5. Step 5: Solve for x
    x = 72,022,889.45/11,549.76
  6. Step 6: Final answer
    x = 6,235.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.