Home / 11,417.30-17,115.15-6,740.90

Finding the Fourth Proportional to 11,417.30, 17,115.15 and 6,740.90

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Solution

The fourth proportional to 11,417.30, 17,115.15 and 6,740.90 is: 10,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.30 : 17,115.15 = 6,740.90 : x
  2. Step 2: Convert to fraction form
    11,417.30/17,115.15 = 6,740.90/x
  3. Step 3: Cross multiply
    11,417.30x = 17,115.15 × 6,740.90
  4. Step 4: Simplify right side
    11,417.30x = 115,371,514.64
  5. Step 5: Solve for x
    x = 115,371,514.64/11,417.30
  6. Step 6: Final answer
    x = 10,104.97

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1.5x scale

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.