Home / 10,131.24-15,187.58-3,553.84

Finding the Fourth Proportional to 10,131.24, 15,187.58 and 3,553.84

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Solution

The fourth proportional to 10,131.24, 15,187.58 and 3,553.84 is: 5,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.24 : 15,187.58 = 3,553.84 : x
  2. Step 2: Convert to fraction form
    10,131.24/15,187.58 = 3,553.84/x
  3. Step 3: Cross multiply
    10,131.24x = 15,187.58 × 3,553.84
  4. Step 4: Simplify right side
    10,131.24x = 53,974,229.31
  5. Step 5: Solve for x
    x = 53,974,229.31/10,131.24
  6. Step 6: Final answer
    x = 5,327.50

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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.