Home / 9,982.72-14,977.86-4,138.84

Finding the Fourth Proportional to 9,982.72, 14,977.86 and 4,138.84

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Solution

The fourth proportional to 9,982.72, 14,977.86 and 4,138.84 is: 6,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.72 : 14,977.86 = 4,138.84 : x
  2. Step 2: Convert to fraction form
    9,982.72/14,977.86 = 4,138.84/x
  3. Step 3: Cross multiply
    9,982.72x = 14,977.86 × 4,138.84
  4. Step 4: Simplify right side
    9,982.72x = 61,990,966.08
  5. Step 5: Solve for x
    x = 61,990,966.08/9,982.72
  6. Step 6: Final answer
    x = 6,209.83

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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.