Home / 12,202.82-18,303.77-3,437.50

Finding the Fourth Proportional to 12,202.82, 18,303.77 and 3,437.50

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Solution

The fourth proportional to 12,202.82, 18,303.77 and 3,437.50 is: 5,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.82 : 18,303.77 = 3,437.50 : x
  2. Step 2: Convert to fraction form
    12,202.82/18,303.77 = 3,437.50/x
  3. Step 3: Cross multiply
    12,202.82x = 18,303.77 × 3,437.50
  4. Step 4: Simplify right side
    12,202.82x = 62,919,209.38
  5. Step 5: Solve for x
    x = 62,919,209.38/12,202.82
  6. Step 6: Final answer
    x = 5,156.12

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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.