Home / 11,455.30-17,180.55-5,616.10

Finding the Fourth Proportional to 11,455.30, 17,180.55 and 5,616.10

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Solution

The fourth proportional to 11,455.30, 17,180.55 and 5,616.10 is: 8,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.30 : 17,180.55 = 5,616.10 : x
  2. Step 2: Convert to fraction form
    11,455.30/17,180.55 = 5,616.10/x
  3. Step 3: Cross multiply
    11,455.30x = 17,180.55 × 5,616.10
  4. Step 4: Simplify right side
    11,455.30x = 96,487,686.86
  5. Step 5: Solve for x
    x = 96,487,686.86/11,455.30
  6. Step 6: Final answer
    x = 8,422.97

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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.