Home / 16,787.86-23,166.75-9,234.18

Finding the Fourth Proportional to 16,787.86, 23,166.75 and 9,234.18

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Solution

The fourth proportional to 16,787.86, 23,166.75 and 9,234.18 is: 12,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.86 : 23,166.75 = 9,234.18 : x
  2. Step 2: Convert to fraction form
    16,787.86/23,166.75 = 9,234.18/x
  3. Step 3: Cross multiply
    16,787.86x = 23,166.75 × 9,234.18
  4. Step 4: Simplify right side
    16,787.86x = 213,925,974.14
  5. Step 5: Solve for x
    x = 213,925,974.14/16,787.86
  6. Step 6: Final answer
    x = 12,742.90

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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.