Home / 19,995.18-29,929.87-13,718.49

Finding the Fourth Proportional to 19,995.18, 29,929.87 and 13,718.49

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Solution

The fourth proportional to 19,995.18, 29,929.87 and 13,718.49 is: 20,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.18 : 29,929.87 = 13,718.49 : x
  2. Step 2: Convert to fraction form
    19,995.18/29,929.87 = 13,718.49/x
  3. Step 3: Cross multiply
    19,995.18x = 29,929.87 × 13,718.49
  4. Step 4: Simplify right side
    19,995.18x = 410,592,553.70
  5. Step 5: Solve for x
    x = 410,592,553.70/19,995.18
  6. Step 6: Final answer
    x = 20,534.58

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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.