Home / 12,202.40-18,301.10-3,437.39

Finding the Fourth Proportional to 12,202.40, 18,301.10 and 3,437.39

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Solution

The fourth proportional to 12,202.40, 18,301.10 and 3,437.39 is: 5,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.40 : 18,301.10 = 3,437.39 : x
  2. Step 2: Convert to fraction form
    12,202.40/18,301.10 = 3,437.39/x
  3. Step 3: Cross multiply
    12,202.40x = 18,301.10 × 3,437.39
  4. Step 4: Simplify right side
    12,202.40x = 62,907,909.44
  5. Step 5: Solve for x
    x = 62,907,909.44/12,202.40
  6. Step 6: Final answer
    x = 5,155.37

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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.