Home / 18,645.86-25,725.49-10,578.19

Finding the Fourth Proportional to 18,645.86, 25,725.49 and 10,578.19

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Solution

The fourth proportional to 18,645.86, 25,725.49 and 10,578.19 is: 14,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.86 : 25,725.49 = 10,578.19 : x
  2. Step 2: Convert to fraction form
    18,645.86/25,725.49 = 10,578.19/x
  3. Step 3: Cross multiply
    18,645.86x = 25,725.49 × 10,578.19
  4. Step 4: Simplify right side
    18,645.86x = 272,129,121.06
  5. Step 5: Solve for x
    x = 272,129,121.06/18,645.86
  6. Step 6: Final answer
    x = 14,594.61

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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.