Home / 18,282.24-27,391.86-12,346.08

Finding the Fourth Proportional to 18,282.24, 27,391.86 and 12,346.08

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Solution

The fourth proportional to 18,282.24, 27,391.86 and 12,346.08 is: 18,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.24 : 27,391.86 = 12,346.08 : x
  2. Step 2: Convert to fraction form
    18,282.24/27,391.86 = 12,346.08/x
  3. Step 3: Cross multiply
    18,282.24x = 27,391.86 × 12,346.08
  4. Step 4: Simplify right side
    18,282.24x = 338,182,094.91
  5. Step 5: Solve for x
    x = 338,182,094.91/18,282.24
  6. Step 6: Final answer
    x = 18,497.85

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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.