Home / 11,982.56-17,966.76-4,587.56

Finding the Fourth Proportional to 11,982.56, 17,966.76 and 4,587.56

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Solution

The fourth proportional to 11,982.56, 17,966.76 and 4,587.56 is: 6,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.56 : 17,966.76 = 4,587.56 : x
  2. Step 2: Convert to fraction form
    11,982.56/17,966.76 = 4,587.56/x
  3. Step 3: Cross multiply
    11,982.56x = 17,966.76 × 4,587.56
  4. Step 4: Simplify right side
    11,982.56x = 82,423,589.51
  5. Step 5: Solve for x
    x = 82,423,589.51/11,982.56
  6. Step 6: Final answer
    x = 6,878.63

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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.