Home / 10,032.24-15,049.80-3,105.12

Finding the Fourth Proportional to 10,032.24, 15,049.80 and 3,105.12

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Solution

The fourth proportional to 10,032.24, 15,049.80 and 3,105.12 is: 4,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,032.24 : 15,049.80 = 3,105.12 : x
  2. Step 2: Convert to fraction form
    10,032.24/15,049.80 = 3,105.12/x
  3. Step 3: Cross multiply
    10,032.24x = 15,049.80 × 3,105.12
  4. Step 4: Simplify right side
    10,032.24x = 46,731,434.98
  5. Step 5: Solve for x
    x = 46,731,434.98/10,032.24
  6. Step 6: Final answer
    x = 4,658.13

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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.