Home / 18,152.49-27,231.90-8,292.76

Finding the Fourth Proportional to 18,152.49, 27,231.90 and 8,292.76

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Solution

The fourth proportional to 18,152.49, 27,231.90 and 8,292.76 is: 12,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.49 : 27,231.90 = 8,292.76 : x
  2. Step 2: Convert to fraction form
    18,152.49/27,231.90 = 8,292.76/x
  3. Step 3: Cross multiply
    18,152.49x = 27,231.90 × 8,292.76
  4. Step 4: Simplify right side
    18,152.49x = 225,827,611.04
  5. Step 5: Solve for x
    x = 225,827,611.04/18,152.49
  6. Step 6: Final answer
    x = 12,440.59

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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.