Home / 21,493.76-29,663.52-12,062.36

Finding the Fourth Proportional to 21,493.76, 29,663.52 and 12,062.36

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Solution

The fourth proportional to 21,493.76, 29,663.52 and 12,062.36 is: 16,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493.76 : 29,663.52 = 12,062.36 : x
  2. Step 2: Convert to fraction form
    21,493.76/29,663.52 = 12,062.36/x
  3. Step 3: Cross multiply
    21,493.76x = 29,663.52 × 12,062.36
  4. Step 4: Simplify right side
    21,493.76x = 357,812,057.11
  5. Step 5: Solve for x
    x = 357,812,057.11/21,493.76
  6. Step 6: Final answer
    x = 16,647.25

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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.