Home / 19,639.12-27,098.94-11,254

Finding the Fourth Proportional to 19,639.12, 27,098.94 and 11,254

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Solution

The fourth proportional to 19,639.12, 27,098.94 and 11,254 is: 15,528.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.12 : 27,098.94 = 11,254 : x
  2. Step 2: Convert to fraction form
    19,639.12/27,098.94 = 11,254/x
  3. Step 3: Cross multiply
    19,639.12x = 27,098.94 × 11,254
  4. Step 4: Simplify right side
    19,639.12x = 304,971,470.76
  5. Step 5: Solve for x
    x = 304,971,470.76/19,639.12
  6. Step 6: Final answer
    x = 15,528.77

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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.