Home / 12,625.21-18,937.86-3,860.10

Finding the Fourth Proportional to 12,625.21, 18,937.86 and 3,860.10

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Solution

The fourth proportional to 12,625.21, 18,937.86 and 3,860.10 is: 5,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.21 : 18,937.86 = 3,860.10 : x
  2. Step 2: Convert to fraction form
    12,625.21/18,937.86 = 3,860.10/x
  3. Step 3: Cross multiply
    12,625.21x = 18,937.86 × 3,860.10
  4. Step 4: Simplify right side
    12,625.21x = 73,102,033.39
  5. Step 5: Solve for x
    x = 73,102,033.39/12,625.21
  6. Step 6: Final answer
    x = 5,790.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.