Home / 18,836.28-25,993.53-10,338.57

Finding the Fourth Proportional to 18,836.28, 25,993.53 and 10,338.57

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Solution

The fourth proportional to 18,836.28, 25,993.53 and 10,338.57 is: 14,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.28 : 25,993.53 = 10,338.57 : x
  2. Step 2: Convert to fraction form
    18,836.28/25,993.53 = 10,338.57/x
  3. Step 3: Cross multiply
    18,836.28x = 25,993.53 × 10,338.57
  4. Step 4: Simplify right side
    18,836.28x = 268,735,929.45
  5. Step 5: Solve for x
    x = 268,735,929.45/18,836.28
  6. Step 6: Final answer
    x = 14,266.93

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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.