Home / 11,885.85-17,816.13-4,487.16

Finding the Fourth Proportional to 11,885.85, 17,816.13 and 4,487.16

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Solution

The fourth proportional to 11,885.85, 17,816.13 and 4,487.16 is: 6,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.85 : 17,816.13 = 4,487.16 : x
  2. Step 2: Convert to fraction form
    11,885.85/17,816.13 = 4,487.16/x
  3. Step 3: Cross multiply
    11,885.85x = 17,816.13 × 4,487.16
  4. Step 4: Simplify right side
    11,885.85x = 79,943,825.89
  5. Step 5: Solve for x
    x = 79,943,825.89/11,885.85
  6. Step 6: Final answer
    x = 6,725.97

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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.