Home / 19,882.62-27,438.75-10,930.86

Finding the Fourth Proportional to 19,882.62, 27,438.75 and 10,930.86

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Solution

The fourth proportional to 19,882.62, 27,438.75 and 10,930.86 is: 15,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.62 : 27,438.75 = 10,930.86 : x
  2. Step 2: Convert to fraction form
    19,882.62/27,438.75 = 10,930.86/x
  3. Step 3: Cross multiply
    19,882.62x = 27,438.75 × 10,930.86
  4. Step 4: Simplify right side
    19,882.62x = 299,929,134.83
  5. Step 5: Solve for x
    x = 299,929,134.83/19,882.62
  6. Step 6: Final answer
    x = 15,084.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.