Home / 12,206.19-18,295.11-8,045.22

Finding the Fourth Proportional to 12,206.19, 18,295.11 and 8,045.22

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Solution

The fourth proportional to 12,206.19, 18,295.11 and 8,045.22 is: 12,058.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.19 : 18,295.11 = 8,045.22 : x
  2. Step 2: Convert to fraction form
    12,206.19/18,295.11 = 8,045.22/x
  3. Step 3: Cross multiply
    12,206.19x = 18,295.11 × 8,045.22
  4. Step 4: Simplify right side
    12,206.19x = 147,188,184.87
  5. Step 5: Solve for x
    x = 147,188,184.87/12,206.19
  6. Step 6: Final answer
    x = 12,058.49

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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.