Home / 11,589.90-17,360.55-9,112.92

Finding the Fourth Proportional to 11,589.90, 17,360.55 and 9,112.92

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Solution

The fourth proportional to 11,589.90, 17,360.55 and 9,112.92 is: 13,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.90 : 17,360.55 = 9,112.92 : x
  2. Step 2: Convert to fraction form
    11,589.90/17,360.55 = 9,112.92/x
  3. Step 3: Cross multiply
    11,589.90x = 17,360.55 × 9,112.92
  4. Step 4: Simplify right side
    11,589.90x = 158,205,303.31
  5. Step 5: Solve for x
    x = 158,205,303.31/11,589.90
  6. Step 6: Final answer
    x = 13,650.27

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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.