Home / 21,324.44-29,419.80-12,366.92

Finding the Fourth Proportional to 21,324.44, 29,419.80 and 12,366.92

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Solution

The fourth proportional to 21,324.44, 29,419.80 and 12,366.92 is: 17,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.44 : 29,419.80 = 12,366.92 : x
  2. Step 2: Convert to fraction form
    21,324.44/29,419.80 = 12,366.92/x
  3. Step 3: Cross multiply
    21,324.44x = 29,419.80 × 12,366.92
  4. Step 4: Simplify right side
    21,324.44x = 363,832,313.02
  5. Step 5: Solve for x
    x = 363,832,313.02/21,324.44
  6. Step 6: Final answer
    x = 17,061.75

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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.