Home / 18,282.36-27,423.42-5,134.76

Finding the Fourth Proportional to 18,282.36, 27,423.42 and 5,134.76

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Solution

The fourth proportional to 18,282.36, 27,423.42 and 5,134.76 is: 7,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.36 : 27,423.42 = 5,134.76 : x
  2. Step 2: Convert to fraction form
    18,282.36/27,423.42 = 5,134.76/x
  3. Step 3: Cross multiply
    18,282.36x = 27,423.42 × 5,134.76
  4. Step 4: Simplify right side
    18,282.36x = 140,812,542.96
  5. Step 5: Solve for x
    x = 140,812,542.96/18,282.36
  6. Step 6: Final answer
    x = 7,702.10

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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.