Home / 16,112.49-22,227.09-10,132.86

Finding the Fourth Proportional to 16,112.49, 22,227.09 and 10,132.86

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Solution

The fourth proportional to 16,112.49, 22,227.09 and 10,132.86 is: 13,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,112.49 : 22,227.09 = 10,132.86 : x
  2. Step 2: Convert to fraction form
    16,112.49/22,227.09 = 10,132.86/x
  3. Step 3: Cross multiply
    16,112.49x = 22,227.09 × 10,132.86
  4. Step 4: Simplify right side
    16,112.49x = 225,223,991.18
  5. Step 5: Solve for x
    x = 225,223,991.18/16,112.49
  6. Step 6: Final answer
    x = 13,978.22

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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.