Home / 10,214.19-15,318.03-3,287.07

Finding the Fourth Proportional to 10,214.19, 15,318.03 and 3,287.07

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Solution

The fourth proportional to 10,214.19, 15,318.03 and 3,287.07 is: 4,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.19 : 15,318.03 = 3,287.07 : x
  2. Step 2: Convert to fraction form
    10,214.19/15,318.03 = 3,287.07/x
  3. Step 3: Cross multiply
    10,214.19x = 15,318.03 × 3,287.07
  4. Step 4: Simplify right side
    10,214.19x = 50,351,436.87
  5. Step 5: Solve for x
    x = 50,351,436.87/10,214.19
  6. Step 6: Final answer
    x = 4,929.56

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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.