Home / 18,146.83-27,223.45-8,287.10

Finding the Fourth Proportional to 18,146.83, 27,223.45 and 8,287.10

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Solution

The fourth proportional to 18,146.83, 27,223.45 and 8,287.10 is: 12,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.83 : 27,223.45 = 8,287.10 : x
  2. Step 2: Convert to fraction form
    18,146.83/27,223.45 = 8,287.10/x
  3. Step 3: Cross multiply
    18,146.83x = 27,223.45 × 8,287.10
  4. Step 4: Simplify right side
    18,146.83x = 225,603,499.84
  5. Step 5: Solve for x
    x = 225,603,499.84/18,146.83
  6. Step 6: Final answer
    x = 12,432.12

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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.