Home / 10,306.35-15,460.68-3,286.68

Finding the Fourth Proportional to 10,306.35, 15,460.68 and 3,286.68

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Solution

The fourth proportional to 10,306.35, 15,460.68 and 3,286.68 is: 4,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.35 : 15,460.68 = 3,286.68 : x
  2. Step 2: Convert to fraction form
    10,306.35/15,460.68 = 3,286.68/x
  3. Step 3: Cross multiply
    10,306.35x = 15,460.68 × 3,286.68
  4. Step 4: Simplify right side
    10,306.35x = 50,814,307.74
  5. Step 5: Solve for x
    x = 50,814,307.74/10,306.35
  6. Step 6: Final answer
    x = 4,930.39

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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.