Home / 10,306.39-15,458.22-2,911.52

Finding the Fourth Proportional to 10,306.39, 15,458.22 and 2,911.52

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Solution

The fourth proportional to 10,306.39, 15,458.22 and 2,911.52 is: 4,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.39 : 15,458.22 = 2,911.52 : x
  2. Step 2: Convert to fraction form
    10,306.39/15,458.22 = 2,911.52/x
  3. Step 3: Cross multiply
    10,306.39x = 15,458.22 × 2,911.52
  4. Step 4: Simplify right side
    10,306.39x = 45,006,903.68
  5. Step 5: Solve for x
    x = 45,006,903.68/10,306.39
  6. Step 6: Final answer
    x = 4,366.89

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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.