Home / 10,227.05-15,320.52-5,299.92

Finding the Fourth Proportional to 10,227.05, 15,320.52 and 5,299.92

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Solution

The fourth proportional to 10,227.05, 15,320.52 and 5,299.92 is: 7,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.05 : 15,320.52 = 5,299.92 : x
  2. Step 2: Convert to fraction form
    10,227.05/15,320.52 = 5,299.92/x
  3. Step 3: Cross multiply
    10,227.05x = 15,320.52 × 5,299.92
  4. Step 4: Simplify right side
    10,227.05x = 81,197,530.36
  5. Step 5: Solve for x
    x = 81,197,530.36/10,227.05
  6. Step 6: Final answer
    x = 7,939.49

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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.