Home / 16,621.80-22,945.72-14,344.08

Finding the Fourth Proportional to 16,621.80, 22,945.72 and 14,344.08

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Solution

The fourth proportional to 16,621.80, 22,945.72 and 14,344.08 is: 19,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.80 : 22,945.72 = 14,344.08 : x
  2. Step 2: Convert to fraction form
    16,621.80/22,945.72 = 14,344.08/x
  3. Step 3: Cross multiply
    16,621.80x = 22,945.72 × 14,344.08
  4. Step 4: Simplify right side
    16,621.80x = 329,135,243.34
  5. Step 5: Solve for x
    x = 329,135,243.34/16,621.80
  6. Step 6: Final answer
    x = 19,801.42

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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.