Home / 18,122.32-27,192.76-8,260.34

Finding the Fourth Proportional to 18,122.32, 27,192.76 and 8,260.34

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Solution

The fourth proportional to 18,122.32, 27,192.76 and 8,260.34 is: 12,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.32 : 27,192.76 = 8,260.34 : x
  2. Step 2: Convert to fraction form
    18,122.32/27,192.76 = 8,260.34/x
  3. Step 3: Cross multiply
    18,122.32x = 27,192.76 × 8,260.34
  4. Step 4: Simplify right side
    18,122.32x = 224,621,443.14
  5. Step 5: Solve for x
    x = 224,621,443.14/18,122.32
  6. Step 6: Final answer
    x = 12,394.74

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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.