Home / 18,836.54-25,994.45-10,338.71

Finding the Fourth Proportional to 18,836.54, 25,994.45 and 10,338.71

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Solution

The fourth proportional to 18,836.54, 25,994.45 and 10,338.71 is: 14,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.54 : 25,994.45 = 10,338.71 : x
  2. Step 2: Convert to fraction form
    18,836.54/25,994.45 = 10,338.71/x
  3. Step 3: Cross multiply
    18,836.54x = 25,994.45 × 10,338.71
  4. Step 4: Simplify right side
    18,836.54x = 268,749,170.99
  5. Step 5: Solve for x
    x = 268,749,170.99/18,836.54
  6. Step 6: Final answer
    x = 14,267.44

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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.