Home / 8,247.96-12,349.80-6,935.76

Finding the Fourth Proportional to 8,247.96, 12,349.80 and 6,935.76

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Solution

The fourth proportional to 8,247.96, 12,349.80 and 6,935.76 is: 10,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.96 : 12,349.80 = 6,935.76 : x
  2. Step 2: Convert to fraction form
    8,247.96/12,349.80 = 6,935.76/x
  3. Step 3: Cross multiply
    8,247.96x = 12,349.80 × 6,935.76
  4. Step 4: Simplify right side
    8,247.96x = 85,655,248.85
  5. Step 5: Solve for x
    x = 85,655,248.85/8,247.96
  6. Step 6: Final answer
    x = 10,385.02

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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.