Home / 11,422.12-17,098.62-10,558.12

Finding the Fourth Proportional to 11,422.12, 17,098.62 and 10,558.12

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Solution

The fourth proportional to 11,422.12, 17,098.62 and 10,558.12 is: 15,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.12 : 17,098.62 = 10,558.12 : x
  2. Step 2: Convert to fraction form
    11,422.12/17,098.62 = 10,558.12/x
  3. Step 3: Cross multiply
    11,422.12x = 17,098.62 × 10,558.12
  4. Step 4: Simplify right side
    11,422.12x = 180,529,281.79
  5. Step 5: Solve for x
    x = 180,529,281.79/11,422.12
  6. Step 6: Final answer
    x = 15,805.23

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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.