Home / 12,896.08-19,338.96-5,503.84

Finding the Fourth Proportional to 12,896.08, 19,338.96 and 5,503.84

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Solution

The fourth proportional to 12,896.08, 19,338.96 and 5,503.84 is: 8,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.08 : 19,338.96 = 5,503.84 : x
  2. Step 2: Convert to fraction form
    12,896.08/19,338.96 = 5,503.84/x
  3. Step 3: Cross multiply
    12,896.08x = 19,338.96 × 5,503.84
  4. Step 4: Simplify right side
    12,896.08x = 106,438,541.61
  5. Step 5: Solve for x
    x = 106,438,541.61/12,896.08
  6. Step 6: Final answer
    x = 8,253.56

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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.