Home / 9,979.36-13,767.98-5,997.40

Finding the Fourth Proportional to 9,979.36, 13,767.98 and 5,997.40

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Solution

The fourth proportional to 9,979.36, 13,767.98 and 5,997.40 is: 8,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.36 : 13,767.98 = 5,997.40 : x
  2. Step 2: Convert to fraction form
    9,979.36/13,767.98 = 5,997.40/x
  3. Step 3: Cross multiply
    9,979.36x = 13,767.98 × 5,997.40
  4. Step 4: Simplify right side
    9,979.36x = 82,572,083.25
  5. Step 5: Solve for x
    x = 82,572,083.25/9,979.36
  6. Step 6: Final answer
    x = 8,274.29

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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.