Home / 20,242.58-30,354.14-11,475.14

Finding the Fourth Proportional to 20,242.58, 30,354.14 and 11,475.14

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Solution

The fourth proportional to 20,242.58, 30,354.14 and 11,475.14 is: 17,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.58 : 30,354.14 = 11,475.14 : x
  2. Step 2: Convert to fraction form
    20,242.58/30,354.14 = 11,475.14/x
  3. Step 3: Cross multiply
    20,242.58x = 30,354.14 × 11,475.14
  4. Step 4: Simplify right side
    20,242.58x = 348,318,006.08
  5. Step 5: Solve for x
    x = 348,318,006.08/20,242.58
  6. Step 6: Final answer
    x = 17,207.19

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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.