Home / 18,342.18-27,512.90-4,491.18

Finding the Fourth Proportional to 18,342.18, 27,512.90 and 4,491.18

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Solution

The fourth proportional to 18,342.18, 27,512.90 and 4,491.18 is: 6,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.18 : 27,512.90 = 4,491.18 : x
  2. Step 2: Convert to fraction form
    18,342.18/27,512.90 = 4,491.18/x
  3. Step 3: Cross multiply
    18,342.18x = 27,512.90 × 4,491.18
  4. Step 4: Simplify right side
    18,342.18x = 123,565,386.22
  5. Step 5: Solve for x
    x = 123,565,386.22/18,342.18
  6. Step 6: Final answer
    x = 6,736.68

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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.