Home / 11,445.01-17,165.55-3,439.65

Finding the Fourth Proportional to 11,445.01, 17,165.55 and 3,439.65

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Solution

The fourth proportional to 11,445.01, 17,165.55 and 3,439.65 is: 5,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.01 : 17,165.55 = 3,439.65 : x
  2. Step 2: Convert to fraction form
    11,445.01/17,165.55 = 3,439.65/x
  3. Step 3: Cross multiply
    11,445.01x = 17,165.55 × 3,439.65
  4. Step 4: Simplify right side
    11,445.01x = 59,043,508.17
  5. Step 5: Solve for x
    x = 59,043,508.17/11,445.01
  6. Step 6: Final answer
    x = 5,158.89

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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.