Home / 11,747.32-17,621.04-3,956.20

Finding the Fourth Proportional to 11,747.32, 17,621.04 and 3,956.20

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Solution

The fourth proportional to 11,747.32, 17,621.04 and 3,956.20 is: 5,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.32 : 17,621.04 = 3,956.20 : x
  2. Step 2: Convert to fraction form
    11,747.32/17,621.04 = 3,956.20/x
  3. Step 3: Cross multiply
    11,747.32x = 17,621.04 × 3,956.20
  4. Step 4: Simplify right side
    11,747.32x = 69,712,358.45
  5. Step 5: Solve for x
    x = 69,712,358.45/11,747.32
  6. Step 6: Final answer
    x = 5,934.32

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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.