Home / 19,422.19-29,133.91-5,381.02

Finding the Fourth Proportional to 19,422.19, 29,133.91 and 5,381.02

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Solution

The fourth proportional to 19,422.19, 29,133.91 and 5,381.02 is: 8,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.19 : 29,133.91 = 5,381.02 : x
  2. Step 2: Convert to fraction form
    19,422.19/29,133.91 = 5,381.02/x
  3. Step 3: Cross multiply
    19,422.19x = 29,133.91 × 5,381.02
  4. Step 4: Simplify right side
    19,422.19x = 156,770,195.53
  5. Step 5: Solve for x
    x = 156,770,195.53/19,422.19
  6. Step 6: Final answer
    x = 8,071.70

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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.