Home / 12,206.61-18,308.29-3,442.23

Finding the Fourth Proportional to 12,206.61, 18,308.29 and 3,442.23

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Solution

The fourth proportional to 12,206.61, 18,308.29 and 3,442.23 is: 5,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.61 : 18,308.29 = 3,442.23 : x
  2. Step 2: Convert to fraction form
    12,206.61/18,308.29 = 3,442.23/x
  3. Step 3: Cross multiply
    12,206.61x = 18,308.29 × 3,442.23
  4. Step 4: Simplify right side
    12,206.61x = 63,021,244.94
  5. Step 5: Solve for x
    x = 63,021,244.94/12,206.61
  6. Step 6: Final answer
    x = 5,162.88

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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.