Home / 10,306.45-15,454.56-3,285.55

Finding the Fourth Proportional to 10,306.45, 15,454.56 and 3,285.55

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Solution

The fourth proportional to 10,306.45, 15,454.56 and 3,285.55 is: 4,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.45 : 15,454.56 = 3,285.55 : x
  2. Step 2: Convert to fraction form
    10,306.45/15,454.56 = 3,285.55/x
  3. Step 3: Cross multiply
    10,306.45x = 15,454.56 × 3,285.55
  4. Step 4: Simplify right side
    10,306.45x = 50,776,729.61
  5. Step 5: Solve for x
    x = 50,776,729.61/10,306.45
  6. Step 6: Final answer
    x = 4,926.69

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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.