Home / 18,245.34-25,177.80-10,288.31

Finding the Fourth Proportional to 18,245.34, 25,177.80 and 10,288.31

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Solution

The fourth proportional to 18,245.34, 25,177.80 and 10,288.31 is: 14,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.34 : 25,177.80 = 10,288.31 : x
  2. Step 2: Convert to fraction form
    18,245.34/25,177.80 = 10,288.31/x
  3. Step 3: Cross multiply
    18,245.34x = 25,177.80 × 10,288.31
  4. Step 4: Simplify right side
    18,245.34x = 259,036,924.21
  5. Step 5: Solve for x
    x = 259,036,924.21/18,245.34
  6. Step 6: Final answer
    x = 14,197.43

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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.