Home / 21,050.18-29,049.30-11,618.76

Finding the Fourth Proportional to 21,050.18, 29,049.30 and 11,618.76

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Solution

The fourth proportional to 21,050.18, 29,049.30 and 11,618.76 is: 16,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.18 : 29,049.30 = 11,618.76 : x
  2. Step 2: Convert to fraction form
    21,050.18/29,049.30 = 11,618.76/x
  3. Step 3: Cross multiply
    21,050.18x = 29,049.30 × 11,618.76
  4. Step 4: Simplify right side
    21,050.18x = 337,516,844.87
  5. Step 5: Solve for x
    x = 337,516,844.87/21,050.18
  6. Step 6: Final answer
    x = 16,033.92

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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.