Home / 16,321.88-22,507.80-10,945.91

Finding the Fourth Proportional to 16,321.88, 22,507.80 and 10,945.91

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Solution

The fourth proportional to 16,321.88, 22,507.80 and 10,945.91 is: 15,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,321.88 : 22,507.80 = 10,945.91 : x
  2. Step 2: Convert to fraction form
    16,321.88/22,507.80 = 10,945.91/x
  3. Step 3: Cross multiply
    16,321.88x = 22,507.80 × 10,945.91
  4. Step 4: Simplify right side
    16,321.88x = 246,368,353.10
  5. Step 5: Solve for x
    x = 246,368,353.10/16,321.88
  6. Step 6: Final answer
    x = 15,094.36

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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.