Home / 10,214.64-15,318.72-3,974.24

Finding the Fourth Proportional to 10,214.64, 15,318.72 and 3,974.24

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Solution

The fourth proportional to 10,214.64, 15,318.72 and 3,974.24 is: 5,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.64 : 15,318.72 = 3,974.24 : x
  2. Step 2: Convert to fraction form
    10,214.64/15,318.72 = 3,974.24/x
  3. Step 3: Cross multiply
    10,214.64x = 15,318.72 × 3,974.24
  4. Step 4: Simplify right side
    10,214.64x = 60,880,269.77
  5. Step 5: Solve for x
    x = 60,880,269.77/10,214.64
  6. Step 6: Final answer
    x = 5,960.10

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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.