Home / 15,531.60-23,309.28-11,382.48

Finding the Fourth Proportional to 15,531.60, 23,309.28 and 11,382.48

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Solution

The fourth proportional to 15,531.60, 23,309.28 and 11,382.48 is: 17,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.60 : 23,309.28 = 11,382.48 : x
  2. Step 2: Convert to fraction form
    15,531.60/23,309.28 = 11,382.48/x
  3. Step 3: Cross multiply
    15,531.60x = 23,309.28 × 11,382.48
  4. Step 4: Simplify right side
    15,531.60x = 265,317,413.41
  5. Step 5: Solve for x
    x = 265,317,413.41/15,531.60
  6. Step 6: Final answer
    x = 17,082.43

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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.