Home / 18,079.34-27,122.66-6,400.76

Finding the Fourth Proportional to 18,079.34, 27,122.66 and 6,400.76

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Solution

The fourth proportional to 18,079.34, 27,122.66 and 6,400.76 is: 9,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.34 : 27,122.66 = 6,400.76 : x
  2. Step 2: Convert to fraction form
    18,079.34/27,122.66 = 6,400.76/x
  3. Step 3: Cross multiply
    18,079.34x = 27,122.66 × 6,400.76
  4. Step 4: Simplify right side
    18,079.34x = 173,605,605.22
  5. Step 5: Solve for x
    x = 173,605,605.22/18,079.34
  6. Step 6: Final answer
    x = 9,602.43

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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.