Home / 9,979.44-13,768.62-5,999.10

Finding the Fourth Proportional to 9,979.44, 13,768.62 and 5,999.10

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Solution

The fourth proportional to 9,979.44, 13,768.62 and 5,999.10 is: 8,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.44 : 13,768.62 = 5,999.10 : x
  2. Step 2: Convert to fraction form
    9,979.44/13,768.62 = 5,999.10/x
  3. Step 3: Cross multiply
    9,979.44x = 13,768.62 × 5,999.10
  4. Step 4: Simplify right side
    9,979.44x = 82,599,328.24
  5. Step 5: Solve for x
    x = 82,599,328.24/9,979.44
  6. Step 6: Final answer
    x = 8,276.95

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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.