Home / 13,474.28-20,207.64-5,582.72

Finding the Fourth Proportional to 13,474.28, 20,207.64 and 5,582.72

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Solution

The fourth proportional to 13,474.28, 20,207.64 and 5,582.72 is: 8,372.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.28 : 20,207.64 = 5,582.72 : x
  2. Step 2: Convert to fraction form
    13,474.28/20,207.64 = 5,582.72/x
  3. Step 3: Cross multiply
    13,474.28x = 20,207.64 × 5,582.72
  4. Step 4: Simplify right side
    13,474.28x = 112,813,595.98
  5. Step 5: Solve for x
    x = 112,813,595.98/13,474.28
  6. Step 6: Final answer
    x = 8,372.51

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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.