Home / 18,612.39-27,922.68-10,304.52

Finding the Fourth Proportional to 18,612.39, 27,922.68 and 10,304.52

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Solution

The fourth proportional to 18,612.39, 27,922.68 and 10,304.52 is: 15,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.39 : 27,922.68 = 10,304.52 : x
  2. Step 2: Convert to fraction form
    18,612.39/27,922.68 = 10,304.52/x
  3. Step 3: Cross multiply
    18,612.39x = 27,922.68 × 10,304.52
  4. Step 4: Simplify right side
    18,612.39x = 287,729,814.51
  5. Step 5: Solve for x
    x = 287,729,814.51/18,612.39
  6. Step 6: Final answer
    x = 15,459.05

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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.