Home / 10,015.68-15,022.22-2,620.71

Finding the Fourth Proportional to 10,015.68, 15,022.22 and 2,620.71

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Solution

The fourth proportional to 10,015.68, 15,022.22 and 2,620.71 is: 3,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.68 : 15,022.22 = 2,620.71 : x
  2. Step 2: Convert to fraction form
    10,015.68/15,022.22 = 2,620.71/x
  3. Step 3: Cross multiply
    10,015.68x = 15,022.22 × 2,620.71
  4. Step 4: Simplify right side
    10,015.68x = 39,368,869.07
  5. Step 5: Solve for x
    x = 39,368,869.07/10,015.68
  6. Step 6: Final answer
    x = 3,930.72

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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.