Home / 15,787.22-23,673.15-9,215.54

Finding the Fourth Proportional to 15,787.22, 23,673.15 and 9,215.54

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Solution

The fourth proportional to 15,787.22, 23,673.15 and 9,215.54 is: 13,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.22 : 23,673.15 = 9,215.54 : x
  2. Step 2: Convert to fraction form
    15,787.22/23,673.15 = 9,215.54/x
  3. Step 3: Cross multiply
    15,787.22x = 23,673.15 × 9,215.54
  4. Step 4: Simplify right side
    15,787.22x = 218,160,860.75
  5. Step 5: Solve for x
    x = 218,160,860.75/15,787.22
  6. Step 6: Final answer
    x = 13,818.83

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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.