Home / 12,896.40-19,346.60-5,500.88

Finding the Fourth Proportional to 12,896.40, 19,346.60 and 5,500.88

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Solution

The fourth proportional to 12,896.40, 19,346.60 and 5,500.88 is: 8,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.40 : 19,346.60 = 5,500.88 : x
  2. Step 2: Convert to fraction form
    12,896.40/19,346.60 = 5,500.88/x
  3. Step 3: Cross multiply
    12,896.40x = 19,346.60 × 5,500.88
  4. Step 4: Simplify right side
    12,896.40x = 106,423,325.01
  5. Step 5: Solve for x
    x = 106,423,325.01/12,896.40
  6. Step 6: Final answer
    x = 8,252.17

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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.