Home / 18,466.40-27,704.28-5,319.92

Finding the Fourth Proportional to 18,466.40, 27,704.28 and 5,319.92

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Solution

The fourth proportional to 18,466.40, 27,704.28 and 5,319.92 is: 7,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.40 : 27,704.28 = 5,319.92 : x
  2. Step 2: Convert to fraction form
    18,466.40/27,704.28 = 5,319.92/x
  3. Step 3: Cross multiply
    18,466.40x = 27,704.28 × 5,319.92
  4. Step 4: Simplify right side
    18,466.40x = 147,384,553.26
  5. Step 5: Solve for x
    x = 147,384,553.26/18,466.40
  6. Step 6: Final answer
    x = 7,981.23

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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.