Home / 21,034.64-29,027.40-11,474.12

Finding the Fourth Proportional to 21,034.64, 29,027.40 and 11,474.12

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Solution

The fourth proportional to 21,034.64, 29,027.40 and 11,474.12 is: 15,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.64 : 29,027.40 = 11,474.12 : x
  2. Step 2: Convert to fraction form
    21,034.64/29,027.40 = 11,474.12/x
  3. Step 3: Cross multiply
    21,034.64x = 29,027.40 × 11,474.12
  4. Step 4: Simplify right side
    21,034.64x = 333,063,870.89
  5. Step 5: Solve for x
    x = 333,063,870.89/21,034.64
  6. Step 6: Final answer
    x = 15,834.07

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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.