Home / 10,216.05-15,316.28-5,282.54

Finding the Fourth Proportional to 10,216.05, 15,316.28 and 5,282.54

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Solution

The fourth proportional to 10,216.05, 15,316.28 and 5,282.54 is: 7,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.05 : 15,316.28 = 5,282.54 : x
  2. Step 2: Convert to fraction form
    10,216.05/15,316.28 = 5,282.54/x
  3. Step 3: Cross multiply
    10,216.05x = 15,316.28 × 5,282.54
  4. Step 4: Simplify right side
    10,216.05x = 80,908,861.75
  5. Step 5: Solve for x
    x = 80,908,861.75/10,216.05
  6. Step 6: Final answer
    x = 7,919.78

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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.