Home / 13,864.67-20,799.08-5,098.90

Finding the Fourth Proportional to 13,864.67, 20,799.08 and 5,098.90

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Solution

The fourth proportional to 13,864.67, 20,799.08 and 5,098.90 is: 7,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.67 : 20,799.08 = 5,098.90 : x
  2. Step 2: Convert to fraction form
    13,864.67/20,799.08 = 5,098.90/x
  3. Step 3: Cross multiply
    13,864.67x = 20,799.08 × 5,098.90
  4. Step 4: Simplify right side
    13,864.67x = 106,052,409.64
  5. Step 5: Solve for x
    x = 106,052,409.64/13,864.67
  6. Step 6: Final answer
    x = 7,649.11

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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.