Home / 12,165.14-16,788.01-6,787.53

Finding the Fourth Proportional to 12,165.14, 16,788.01 and 6,787.53

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Solution

The fourth proportional to 12,165.14, 16,788.01 and 6,787.53 is: 9,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.14 : 16,788.01 = 6,787.53 : x
  2. Step 2: Convert to fraction form
    12,165.14/16,788.01 = 6,787.53/x
  3. Step 3: Cross multiply
    12,165.14x = 16,788.01 × 6,787.53
  4. Step 4: Simplify right side
    12,165.14x = 113,949,117.27
  5. Step 5: Solve for x
    x = 113,949,117.27/12,165.14
  6. Step 6: Final answer
    x = 9,366.86

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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.