Home / 18,582.75-25,645.86-10,200.87

Finding the Fourth Proportional to 18,582.75, 25,645.86 and 10,200.87

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Solution

The fourth proportional to 18,582.75, 25,645.86 and 10,200.87 is: 14,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.75 : 25,645.86 = 10,200.87 : x
  2. Step 2: Convert to fraction form
    18,582.75/25,645.86 = 10,200.87/x
  3. Step 3: Cross multiply
    18,582.75x = 25,645.86 × 10,200.87
  4. Step 4: Simplify right side
    18,582.75x = 261,610,083.90
  5. Step 5: Solve for x
    x = 261,610,083.90/18,582.75
  6. Step 6: Final answer
    x = 14,078.11

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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.