Home / 18,342.54-25,286.84-13,035.42

Finding the Fourth Proportional to 18,342.54, 25,286.84 and 13,035.42

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Solution

The fourth proportional to 18,342.54, 25,286.84 and 13,035.42 is: 17,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.54 : 25,286.84 = 13,035.42 : x
  2. Step 2: Convert to fraction form
    18,342.54/25,286.84 = 13,035.42/x
  3. Step 3: Cross multiply
    18,342.54x = 25,286.84 × 13,035.42
  4. Step 4: Simplify right side
    18,342.54x = 329,624,579.87
  5. Step 5: Solve for x
    x = 329,624,579.87/18,342.54
  6. Step 6: Final answer
    x = 17,970.50

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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.