Home / 11,372.46-17,074.38-7,854.20

Finding the Fourth Proportional to 11,372.46, 17,074.38 and 7,854.20

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Solution

The fourth proportional to 11,372.46, 17,074.38 and 7,854.20 is: 11,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.46 : 17,074.38 = 7,854.20 : x
  2. Step 2: Convert to fraction form
    11,372.46/17,074.38 = 7,854.20/x
  3. Step 3: Cross multiply
    11,372.46x = 17,074.38 × 7,854.20
  4. Step 4: Simplify right side
    11,372.46x = 134,105,595.40
  5. Step 5: Solve for x
    x = 134,105,595.40/11,372.46
  6. Step 6: Final answer
    x = 11,792.14

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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.