Home / 18,282.68-27,425.56-5,135.18

Finding the Fourth Proportional to 18,282.68, 27,425.56 and 5,135.18

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Solution

The fourth proportional to 18,282.68, 27,425.56 and 5,135.18 is: 7,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.68 : 27,425.56 = 5,135.18 : x
  2. Step 2: Convert to fraction form
    18,282.68/27,425.56 = 5,135.18/x
  3. Step 3: Cross multiply
    18,282.68x = 27,425.56 × 5,135.18
  4. Step 4: Simplify right side
    18,282.68x = 140,835,187.20
  5. Step 5: Solve for x
    x = 140,835,187.20/18,282.68
  6. Step 6: Final answer
    x = 7,703.20

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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.