Home / 10,979.16-16,468.68-4,400.64

Finding the Fourth Proportional to 10,979.16, 16,468.68 and 4,400.64

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Solution

The fourth proportional to 10,979.16, 16,468.68 and 4,400.64 is: 6,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.16 : 16,468.68 = 4,400.64 : x
  2. Step 2: Convert to fraction form
    10,979.16/16,468.68 = 4,400.64/x
  3. Step 3: Cross multiply
    10,979.16x = 16,468.68 × 4,400.64
  4. Step 4: Simplify right side
    10,979.16x = 72,472,731.96
  5. Step 5: Solve for x
    x = 72,472,731.96/10,979.16
  6. Step 6: Final answer
    x = 6,600.94

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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.