Home / 11,618.55-17,427.79-3,298.57

Finding the Fourth Proportional to 11,618.55, 17,427.79 and 3,298.57

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Solution

The fourth proportional to 11,618.55, 17,427.79 and 3,298.57 is: 4,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.55 : 17,427.79 = 3,298.57 : x
  2. Step 2: Convert to fraction form
    11,618.55/17,427.79 = 3,298.57/x
  3. Step 3: Cross multiply
    11,618.55x = 17,427.79 × 3,298.57
  4. Step 4: Simplify right side
    11,618.55x = 57,486,768.77
  5. Step 5: Solve for x
    x = 57,486,768.77/11,618.55
  6. Step 6: Final answer
    x = 4,947.85

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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.