Home / 10,768.68-14,863.20-6,294.60

Finding the Fourth Proportional to 10,768.68, 14,863.20 and 6,294.60

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Solution

The fourth proportional to 10,768.68, 14,863.20 and 6,294.60 is: 8,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.68 : 14,863.20 = 6,294.60 : x
  2. Step 2: Convert to fraction form
    10,768.68/14,863.20 = 6,294.60/x
  3. Step 3: Cross multiply
    10,768.68x = 14,863.20 × 6,294.60
  4. Step 4: Simplify right side
    10,768.68x = 93,557,898.72
  5. Step 5: Solve for x
    x = 93,557,898.72/10,768.68
  6. Step 6: Final answer
    x = 8,687.96

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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.