Home / 18,338.93-25,308.33-10,380.99

Finding the Fourth Proportional to 18,338.93, 25,308.33 and 10,380.99

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Solution

The fourth proportional to 18,338.93, 25,308.33 and 10,380.99 is: 14,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.93 : 25,308.33 = 10,380.99 : x
  2. Step 2: Convert to fraction form
    18,338.93/25,308.33 = 10,380.99/x
  3. Step 3: Cross multiply
    18,338.93x = 25,308.33 × 10,380.99
  4. Step 4: Simplify right side
    18,338.93x = 262,725,520.65
  5. Step 5: Solve for x
    x = 262,725,520.65/18,338.93
  6. Step 6: Final answer
    x = 14,326.11

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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.