Home / 8,996.78-12,414.66-5,459.78

Finding the Fourth Proportional to 8,996.78, 12,414.66 and 5,459.78

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Solution

The fourth proportional to 8,996.78, 12,414.66 and 5,459.78 is: 7,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.78 : 12,414.66 = 5,459.78 : x
  2. Step 2: Convert to fraction form
    8,996.78/12,414.66 = 5,459.78/x
  3. Step 3: Cross multiply
    8,996.78x = 12,414.66 × 5,459.78
  4. Step 4: Simplify right side
    8,996.78x = 67,781,312.37
  5. Step 5: Solve for x
    x = 67,781,312.37/8,996.78
  6. Step 6: Final answer
    x = 7,533.95

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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.