Home / 18,756.59-25,840.17-13,081.03

Finding the Fourth Proportional to 18,756.59, 25,840.17 and 13,081.03

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Solution

The fourth proportional to 18,756.59, 25,840.17 and 13,081.03 is: 18,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.59 : 25,840.17 = 13,081.03 : x
  2. Step 2: Convert to fraction form
    18,756.59/25,840.17 = 13,081.03/x
  3. Step 3: Cross multiply
    18,756.59x = 25,840.17 × 13,081.03
  4. Step 4: Simplify right side
    18,756.59x = 338,015,974.37
  5. Step 5: Solve for x
    x = 338,015,974.37/18,756.59
  6. Step 6: Final answer
    x = 18,021.19

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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.