Home / 10,739.08-16,122.75-8,275.97

Finding the Fourth Proportional to 10,739.08, 16,122.75 and 8,275.97

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Solution

The fourth proportional to 10,739.08, 16,122.75 and 8,275.97 is: 12,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.08 : 16,122.75 = 8,275.97 : x
  2. Step 2: Convert to fraction form
    10,739.08/16,122.75 = 8,275.97/x
  3. Step 3: Cross multiply
    10,739.08x = 16,122.75 × 8,275.97
  4. Step 4: Simplify right side
    10,739.08x = 133,431,404.59
  5. Step 5: Solve for x
    x = 133,431,404.59/10,739.08
  6. Step 6: Final answer
    x = 12,424.84

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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.