Home / 15,979.43-23,958.77-6,616.91

Finding the Fourth Proportional to 15,979.43, 23,958.77 and 6,616.91

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Solution

The fourth proportional to 15,979.43, 23,958.77 and 6,616.91 is: 9,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.43 : 23,958.77 = 6,616.91 : x
  2. Step 2: Convert to fraction form
    15,979.43/23,958.77 = 6,616.91/x
  3. Step 3: Cross multiply
    15,979.43x = 23,958.77 × 6,616.91
  4. Step 4: Simplify right side
    15,979.43x = 158,532,991.72
  5. Step 5: Solve for x
    x = 158,532,991.72/15,979.43
  6. Step 6: Final answer
    x = 9,921.07

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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.