Home / 9,979.72-13,765.62-6,002.08

Finding the Fourth Proportional to 9,979.72, 13,765.62 and 6,002.08

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Solution

The fourth proportional to 9,979.72, 13,765.62 and 6,002.08 is: 8,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.72 : 13,765.62 = 6,002.08 : x
  2. Step 2: Convert to fraction form
    9,979.72/13,765.62 = 6,002.08/x
  3. Step 3: Cross multiply
    9,979.72x = 13,765.62 × 6,002.08
  4. Step 4: Simplify right side
    9,979.72x = 82,622,352.49
  5. Step 5: Solve for x
    x = 82,622,352.49/9,979.72
  6. Step 6: Final answer
    x = 8,279.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.