Home / 10,319.28-15,474.18-3,297.74

Finding the Fourth Proportional to 10,319.28, 15,474.18 and 3,297.74

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Solution

The fourth proportional to 10,319.28, 15,474.18 and 3,297.74 is: 4,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.28 : 15,474.18 = 3,297.74 : x
  2. Step 2: Convert to fraction form
    10,319.28/15,474.18 = 3,297.74/x
  3. Step 3: Cross multiply
    10,319.28x = 15,474.18 × 3,297.74
  4. Step 4: Simplify right side
    10,319.28x = 51,029,861.04
  5. Step 5: Solve for x
    x = 51,029,861.04/10,319.28
  6. Step 6: Final answer
    x = 4,945.10

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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.