Home / 10,311.23-14,230.49-6,277.74

Finding the Fourth Proportional to 10,311.23, 14,230.49 and 6,277.74

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Solution

The fourth proportional to 10,311.23, 14,230.49 and 6,277.74 is: 8,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.23 : 14,230.49 = 6,277.74 : x
  2. Step 2: Convert to fraction form
    10,311.23/14,230.49 = 6,277.74/x
  3. Step 3: Cross multiply
    10,311.23x = 14,230.49 × 6,277.74
  4. Step 4: Simplify right side
    10,311.23x = 89,335,231.54
  5. Step 5: Solve for x
    x = 89,335,231.54/10,311.23
  6. Step 6: Final answer
    x = 8,663.88

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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.