Home / 8,955.92-12,349.20-6,123.76

Finding the Fourth Proportional to 8,955.92, 12,349.20 and 6,123.76

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Solution

The fourth proportional to 8,955.92, 12,349.20 and 6,123.76 is: 8,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.92 : 12,349.20 = 6,123.76 : x
  2. Step 2: Convert to fraction form
    8,955.92/12,349.20 = 6,123.76/x
  3. Step 3: Cross multiply
    8,955.92x = 12,349.20 × 6,123.76
  4. Step 4: Simplify right side
    8,955.92x = 75,623,536.99
  5. Step 5: Solve for x
    x = 75,623,536.99/8,955.92
  6. Step 6: Final answer
    x = 8,443.97

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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.