Home / 12,538.24-18,804.25-5,144.76

Finding the Fourth Proportional to 12,538.24, 18,804.25 and 5,144.76

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Solution

The fourth proportional to 12,538.24, 18,804.25 and 5,144.76 is: 7,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.24 : 18,804.25 = 5,144.76 : x
  2. Step 2: Convert to fraction form
    12,538.24/18,804.25 = 5,144.76/x
  3. Step 3: Cross multiply
    12,538.24x = 18,804.25 × 5,144.76
  4. Step 4: Simplify right side
    12,538.24x = 96,743,353.23
  5. Step 5: Solve for x
    x = 96,743,353.23/12,538.24
  6. Step 6: Final answer
    x = 7,715.86

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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.