Home / 18,190.11-25,101.62-10,123.54

Finding the Fourth Proportional to 18,190.11, 25,101.62 and 10,123.54

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Solution

The fourth proportional to 18,190.11, 25,101.62 and 10,123.54 is: 13,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.11 : 25,101.62 = 10,123.54 : x
  2. Step 2: Convert to fraction form
    18,190.11/25,101.62 = 10,123.54/x
  3. Step 3: Cross multiply
    18,190.11x = 25,101.62 × 10,123.54
  4. Step 4: Simplify right side
    18,190.11x = 254,117,216.84
  5. Step 5: Solve for x
    x = 254,117,216.84/18,190.11
  6. Step 6: Final answer
    x = 13,970.07

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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.