Home / 12,122.43-16,736.72-10,926.87

Finding the Fourth Proportional to 12,122.43, 16,736.72 and 10,926.87

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Solution

The fourth proportional to 12,122.43, 16,736.72 and 10,926.87 is: 15,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122.43 : 16,736.72 = 10,926.87 : x
  2. Step 2: Convert to fraction form
    12,122.43/16,736.72 = 10,926.87/x
  3. Step 3: Cross multiply
    12,122.43x = 16,736.72 × 10,926.87
  4. Step 4: Simplify right side
    12,122.43x = 182,879,963.67
  5. Step 5: Solve for x
    x = 182,879,963.67/12,122.43
  6. Step 6: Final answer
    x = 15,086.08

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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.