Home / 11,405.30-17,117.55-5,566.90

Finding the Fourth Proportional to 11,405.30, 17,117.55 and 5,566.90

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Solution

The fourth proportional to 11,405.30, 17,117.55 and 5,566.90 is: 8,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.30 : 17,117.55 = 5,566.90 : x
  2. Step 2: Convert to fraction form
    11,405.30/17,117.55 = 5,566.90/x
  3. Step 3: Cross multiply
    11,405.30x = 17,117.55 × 5,566.90
  4. Step 4: Simplify right side
    11,405.30x = 95,291,689.10
  5. Step 5: Solve for x
    x = 95,291,689.10/11,405.30
  6. Step 6: Final answer
    x = 8,355.04

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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.