Home / 19,932-29,899.20-6,081.12

Finding the Fourth Proportional to 19,932, 29,899.20 and 6,081.12

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Solution

The fourth proportional to 19,932, 29,899.20 and 6,081.12 is: 9,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932 : 29,899.20 = 6,081.12 : x
  2. Step 2: Convert to fraction form
    19,932/29,899.20 = 6,081.12/x
  3. Step 3: Cross multiply
    19,932x = 29,899.20 × 6,081.12
  4. Step 4: Simplify right side
    19,932x = 181,820,623.10
  5. Step 5: Solve for x
    x = 181,820,623.10/19,932
  6. Step 6: Final answer
    x = 9,122.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.