Home / 18,130.06-27,201.54-8,269.66

Finding the Fourth Proportional to 18,130.06, 27,201.54 and 8,269.66

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Solution

The fourth proportional to 18,130.06, 27,201.54 and 8,269.66 is: 12,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.06 : 27,201.54 = 8,269.66 : x
  2. Step 2: Convert to fraction form
    18,130.06/27,201.54 = 8,269.66/x
  3. Step 3: Cross multiply
    18,130.06x = 27,201.54 × 8,269.66
  4. Step 4: Simplify right side
    18,130.06x = 224,947,487.28
  5. Step 5: Solve for x
    x = 224,947,487.28/18,130.06
  6. Step 6: Final answer
    x = 12,407.43

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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.