Home / 16,203.42-22,214.82-15,908.22

Finding the Fourth Proportional to 16,203.42, 22,214.82 and 15,908.22

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Solution

The fourth proportional to 16,203.42, 22,214.82 and 15,908.22 is: 21,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,203.42 : 22,214.82 = 15,908.22 : x
  2. Step 2: Convert to fraction form
    16,203.42/22,214.82 = 15,908.22/x
  3. Step 3: Cross multiply
    16,203.42x = 22,214.82 × 15,908.22
  4. Step 4: Simplify right side
    16,203.42x = 353,398,243.82
  5. Step 5: Solve for x
    x = 353,398,243.82/16,203.42
  6. Step 6: Final answer
    x = 21,810.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.