Home / 21,023.04-29,011.42-11,463

Finding the Fourth Proportional to 21,023.04, 29,011.42 and 11,463

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Solution

The fourth proportional to 21,023.04, 29,011.42 and 11,463 is: 15,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.04 : 29,011.42 = 11,463 : x
  2. Step 2: Convert to fraction form
    21,023.04/29,011.42 = 11,463/x
  3. Step 3: Cross multiply
    21,023.04x = 29,011.42 × 11,463
  4. Step 4: Simplify right side
    21,023.04x = 332,557,921.79
  5. Step 5: Solve for x
    x = 332,557,921.79/21,023.04
  6. Step 6: Final answer
    x = 15,818.74

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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.