Home / 18,789.26-25,929.11-10,291.37

Finding the Fourth Proportional to 18,789.26, 25,929.11 and 10,291.37

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Solution

The fourth proportional to 18,789.26, 25,929.11 and 10,291.37 is: 14,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.26 : 25,929.11 = 10,291.37 : x
  2. Step 2: Convert to fraction form
    18,789.26/25,929.11 = 10,291.37/x
  3. Step 3: Cross multiply
    18,789.26x = 25,929.11 × 10,291.37
  4. Step 4: Simplify right side
    18,789.26x = 266,845,960.86
  5. Step 5: Solve for x
    x = 266,845,960.86/18,789.26
  6. Step 6: Final answer
    x = 14,202.05

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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.