Home / 11,513.95-17,260.39-5,589.61

Finding the Fourth Proportional to 11,513.95, 17,260.39 and 5,589.61

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Solution

The fourth proportional to 11,513.95, 17,260.39 and 5,589.61 is: 8,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.95 : 17,260.39 = 5,589.61 : x
  2. Step 2: Convert to fraction form
    11,513.95/17,260.39 = 5,589.61/x
  3. Step 3: Cross multiply
    11,513.95x = 17,260.39 × 5,589.61
  4. Step 4: Simplify right side
    11,513.95x = 96,478,848.55
  5. Step 5: Solve for x
    x = 96,478,848.55/11,513.95
  6. Step 6: Final answer
    x = 8,379.30

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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.