Home / 19,834.32-27,371.04-10,881.78

Finding the Fourth Proportional to 19,834.32, 27,371.04 and 10,881.78

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Solution

The fourth proportional to 19,834.32, 27,371.04 and 10,881.78 is: 15,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.32 : 27,371.04 = 10,881.78 : x
  2. Step 2: Convert to fraction form
    19,834.32/27,371.04 = 10,881.78/x
  3. Step 3: Cross multiply
    19,834.32x = 27,371.04 × 10,881.78
  4. Step 4: Simplify right side
    19,834.32x = 297,845,635.65
  5. Step 5: Solve for x
    x = 297,845,635.65/19,834.32
  6. Step 6: Final answer
    x = 15,016.68

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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.