Home / 15,634.33-23,428.71-11,869.99

Finding the Fourth Proportional to 15,634.33, 23,428.71 and 11,869.99

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Solution

The fourth proportional to 15,634.33, 23,428.71 and 11,869.99 is: 17,787.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.33 : 23,428.71 = 11,869.99 : x
  2. Step 2: Convert to fraction form
    15,634.33/23,428.71 = 11,869.99/x
  3. Step 3: Cross multiply
    15,634.33x = 23,428.71 × 11,869.99
  4. Step 4: Simplify right side
    15,634.33x = 278,098,494.84
  5. Step 5: Solve for x
    x = 278,098,494.84/15,634.33
  6. Step 6: Final answer
    x = 17,787.69

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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.