Home / 18,722.25-25,836.73-10,338.75

Finding the Fourth Proportional to 18,722.25, 25,836.73 and 10,338.75

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Solution

The fourth proportional to 18,722.25, 25,836.73 and 10,338.75 is: 14,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.25 : 25,836.73 = 10,338.75 : x
  2. Step 2: Convert to fraction form
    18,722.25/25,836.73 = 10,338.75/x
  3. Step 3: Cross multiply
    18,722.25x = 25,836.73 × 10,338.75
  4. Step 4: Simplify right side
    18,722.25x = 267,119,466.44
  5. Step 5: Solve for x
    x = 267,119,466.44/18,722.25
  6. Step 6: Final answer
    x = 14,267.49

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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.