Home / 19,960.04-29,948.03-8,114.70

Finding the Fourth Proportional to 19,960.04, 29,948.03 and 8,114.70

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Solution

The fourth proportional to 19,960.04, 29,948.03 and 8,114.70 is: 12,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.04 : 29,948.03 = 8,114.70 : x
  2. Step 2: Convert to fraction form
    19,960.04/29,948.03 = 8,114.70/x
  3. Step 3: Cross multiply
    19,960.04x = 29,948.03 × 8,114.70
  4. Step 4: Simplify right side
    19,960.04x = 243,019,381.20
  5. Step 5: Solve for x
    x = 243,019,381.20/19,960.04
  6. Step 6: Final answer
    x = 12,175.29

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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.