Home / 19,787.28-27,306.07-10,834.35

Finding the Fourth Proportional to 19,787.28, 27,306.07 and 10,834.35

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Solution

The fourth proportional to 19,787.28, 27,306.07 and 10,834.35 is: 14,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.28 : 27,306.07 = 10,834.35 : x
  2. Step 2: Convert to fraction form
    19,787.28/27,306.07 = 10,834.35/x
  3. Step 3: Cross multiply
    19,787.28x = 27,306.07 × 10,834.35
  4. Step 4: Simplify right side
    19,787.28x = 295,843,519.50
  5. Step 5: Solve for x
    x = 295,843,519.50/19,787.28
  6. Step 6: Final answer
    x = 14,951.20

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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.