Home / 19,286.96-26,614.76-10,787.61

Finding the Fourth Proportional to 19,286.96, 26,614.76 and 10,787.61

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Solution

The fourth proportional to 19,286.96, 26,614.76 and 10,787.61 is: 14,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.96 : 26,614.76 = 10,787.61 : x
  2. Step 2: Convert to fraction form
    19,286.96/26,614.76 = 10,787.61/x
  3. Step 3: Cross multiply
    19,286.96x = 26,614.76 × 10,787.61
  4. Step 4: Simplify right side
    19,286.96x = 287,109,757.67
  5. Step 5: Solve for x
    x = 287,109,757.67/19,286.96
  6. Step 6: Final answer
    x = 14,886.21

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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.