Home / 18,669.80-25,747.02-13,626.03

Finding the Fourth Proportional to 18,669.80, 25,747.02 and 13,626.03

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Solution

The fourth proportional to 18,669.80, 25,747.02 and 13,626.03 is: 18,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.80 : 25,747.02 = 13,626.03 : x
  2. Step 2: Convert to fraction form
    18,669.80/25,747.02 = 13,626.03/x
  3. Step 3: Cross multiply
    18,669.80x = 25,747.02 × 13,626.03
  4. Step 4: Simplify right side
    18,669.80x = 350,829,763.48
  5. Step 5: Solve for x
    x = 350,829,763.48/18,669.80
  6. Step 6: Final answer
    x = 18,791.29

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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.