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Finding the Fourth Proportional to 15,063.44, 22,611.96 and 8,831.12

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Solution

The fourth proportional to 15,063.44, 22,611.96 and 8,831.12 is: 13,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063.44 : 22,611.96 = 8,831.12 : x
  2. Step 2: Convert to fraction form
    15,063.44/22,611.96 = 8,831.12/x
  3. Step 3: Cross multiply
    15,063.44x = 22,611.96 × 8,831.12
  4. Step 4: Simplify right side
    15,063.44x = 199,688,932.20
  5. Step 5: Solve for x
    x = 199,688,932.20/15,063.44
  6. Step 6: Final answer
    x = 13,256.53

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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.