Home / 10,212.33-15,318.32-2,816.76

Finding the Fourth Proportional to 10,212.33, 15,318.32 and 2,816.76

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Solution

The fourth proportional to 10,212.33, 15,318.32 and 2,816.76 is: 4,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.33 : 15,318.32 = 2,816.76 : x
  2. Step 2: Convert to fraction form
    10,212.33/15,318.32 = 2,816.76/x
  3. Step 3: Cross multiply
    10,212.33x = 15,318.32 × 2,816.76
  4. Step 4: Simplify right side
    10,212.33x = 43,148,016.96
  5. Step 5: Solve for x
    x = 43,148,016.96/10,212.33
  6. Step 6: Final answer
    x = 4,225.09

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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.