Home / 10,940.27-15,102.45-8,512.13

Finding the Fourth Proportional to 10,940.27, 15,102.45 and 8,512.13

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Solution

The fourth proportional to 10,940.27, 15,102.45 and 8,512.13 is: 11,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.27 : 15,102.45 = 8,512.13 : x
  2. Step 2: Convert to fraction form
    10,940.27/15,102.45 = 8,512.13/x
  3. Step 3: Cross multiply
    10,940.27x = 15,102.45 × 8,512.13
  4. Step 4: Simplify right side
    10,940.27x = 128,554,017.72
  5. Step 5: Solve for x
    x = 128,554,017.72/10,940.27
  6. Step 6: Final answer
    x = 11,750.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.