Home / 13,882.13-19,159.20-7,833.62

Finding the Fourth Proportional to 13,882.13, 19,159.20 and 7,833.62

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Solution

The fourth proportional to 13,882.13, 19,159.20 and 7,833.62 is: 10,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.13 : 19,159.20 = 7,833.62 : x
  2. Step 2: Convert to fraction form
    13,882.13/19,159.20 = 7,833.62/x
  3. Step 3: Cross multiply
    13,882.13x = 19,159.20 × 7,833.62
  4. Step 4: Simplify right side
    13,882.13x = 150,085,892.30
  5. Step 5: Solve for x
    x = 150,085,892.30/13,882.13
  6. Step 6: Final answer
    x = 10,811.45

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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.