Home / 18,645.93-25,725.58-10,578.25

Finding the Fourth Proportional to 18,645.93, 25,725.58 and 10,578.25

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Solution

The fourth proportional to 18,645.93, 25,725.58 and 10,578.25 is: 14,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.93 : 25,725.58 = 10,578.25 : x
  2. Step 2: Convert to fraction form
    18,645.93/25,725.58 = 10,578.25/x
  3. Step 3: Cross multiply
    18,645.93x = 25,725.58 × 10,578.25
  4. Step 4: Simplify right side
    18,645.93x = 272,131,525.88
  5. Step 5: Solve for x
    x = 272,131,525.88/18,645.93
  6. Step 6: Final answer
    x = 14,594.69

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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.