Home / 26,229.06-39,353.31-12,196.62

Finding the Fourth Proportional to 26,229.06, 39,353.31 and 12,196.62

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Solution

The fourth proportional to 26,229.06, 39,353.31 and 12,196.62 is: 18,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,229.06 : 39,353.31 = 12,196.62 : x
  2. Step 2: Convert to fraction form
    26,229.06/39,353.31 = 12,196.62/x
  3. Step 3: Cross multiply
    26,229.06x = 39,353.31 × 12,196.62
  4. Step 4: Simplify right side
    26,229.06x = 479,977,367.81
  5. Step 5: Solve for x
    x = 479,977,367.81/26,229.06
  6. Step 6: Final answer
    x = 18,299.45

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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.