Home / 17,982.60-26,916.30-9,642.12

Finding the Fourth Proportional to 17,982.60, 26,916.30 and 9,642.12

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Solution

The fourth proportional to 17,982.60, 26,916.30 and 9,642.12 is: 14,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.60 : 26,916.30 = 9,642.12 : x
  2. Step 2: Convert to fraction form
    17,982.60/26,916.30 = 9,642.12/x
  3. Step 3: Cross multiply
    17,982.60x = 26,916.30 × 9,642.12
  4. Step 4: Simplify right side
    17,982.60x = 259,530,194.56
  5. Step 5: Solve for x
    x = 259,530,194.56/17,982.60
  6. Step 6: Final answer
    x = 14,432.30

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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.