Home / 18,713.82-25,825.01-10,330.26

Finding the Fourth Proportional to 18,713.82, 25,825.01 and 10,330.26

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Solution

The fourth proportional to 18,713.82, 25,825.01 and 10,330.26 is: 14,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.82 : 25,825.01 = 10,330.26 : x
  2. Step 2: Convert to fraction form
    18,713.82/25,825.01 = 10,330.26/x
  3. Step 3: Cross multiply
    18,713.82x = 25,825.01 × 10,330.26
  4. Step 4: Simplify right side
    18,713.82x = 266,779,067.80
  5. Step 5: Solve for x
    x = 266,779,067.80/18,713.82
  6. Step 6: Final answer
    x = 14,255.72

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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.