Home / 18,719.07-25,832.37-10,221.26

Finding the Fourth Proportional to 18,719.07, 25,832.37 and 10,221.26

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Solution

The fourth proportional to 18,719.07, 25,832.37 and 10,221.26 is: 14,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719.07 : 25,832.37 = 10,221.26 : x
  2. Step 2: Convert to fraction form
    18,719.07/25,832.37 = 10,221.26/x
  3. Step 3: Cross multiply
    18,719.07x = 25,832.37 × 10,221.26
  4. Step 4: Simplify right side
    18,719.07x = 264,039,370.19
  5. Step 5: Solve for x
    x = 264,039,370.19/18,719.07
  6. Step 6: Final answer
    x = 14,105.37

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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.