Home / 12,338.95-18,508.61-3,573.89

Finding the Fourth Proportional to 12,338.95, 18,508.61 and 3,573.89

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Solution

The fourth proportional to 12,338.95, 18,508.61 and 3,573.89 is: 5,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.95 : 18,508.61 = 3,573.89 : x
  2. Step 2: Convert to fraction form
    12,338.95/18,508.61 = 3,573.89/x
  3. Step 3: Cross multiply
    12,338.95x = 18,508.61 × 3,573.89
  4. Step 4: Simplify right side
    12,338.95x = 66,147,736.19
  5. Step 5: Solve for x
    x = 66,147,736.19/12,338.95
  6. Step 6: Final answer
    x = 5,360.89

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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.