Home / 11,354.28-17,037.03-5,118.90

Finding the Fourth Proportional to 11,354.28, 17,037.03 and 5,118.90

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Solution

The fourth proportional to 11,354.28, 17,037.03 and 5,118.90 is: 7,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.28 : 17,037.03 = 5,118.90 : x
  2. Step 2: Convert to fraction form
    11,354.28/17,037.03 = 5,118.90/x
  3. Step 3: Cross multiply
    11,354.28x = 17,037.03 × 5,118.90
  4. Step 4: Simplify right side
    11,354.28x = 87,210,808.17
  5. Step 5: Solve for x
    x = 87,210,808.17/11,354.28
  6. Step 6: Final answer
    x = 7,680.88

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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.