Home / 12,166.41-18,249.65-3,401.40

Finding the Fourth Proportional to 12,166.41, 18,249.65 and 3,401.40

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Solution

The fourth proportional to 12,166.41, 18,249.65 and 3,401.40 is: 5,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.41 : 18,249.65 = 3,401.40 : x
  2. Step 2: Convert to fraction form
    12,166.41/18,249.65 = 3,401.40/x
  3. Step 3: Cross multiply
    12,166.41x = 18,249.65 × 3,401.40
  4. Step 4: Simplify right side
    12,166.41x = 62,074,368.01
  5. Step 5: Solve for x
    x = 62,074,368.01/12,166.41
  6. Step 6: Final answer
    x = 5,102.11

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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.