Home / 21,194.32-29,250.50-13,544.65

Finding the Fourth Proportional to 21,194.32, 29,250.50 and 13,544.65

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Solution

The fourth proportional to 21,194.32, 29,250.50 and 13,544.65 is: 18,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.32 : 29,250.50 = 13,544.65 : x
  2. Step 2: Convert to fraction form
    21,194.32/29,250.50 = 13,544.65/x
  3. Step 3: Cross multiply
    21,194.32x = 29,250.50 × 13,544.65
  4. Step 4: Simplify right side
    21,194.32x = 396,187,638.57
  5. Step 5: Solve for x
    x = 396,187,638.57/21,194.32
  6. Step 6: Final answer
    x = 18,693.10

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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.