Home / 12,937.32-19,405.22-3,577.11

Finding the Fourth Proportional to 12,937.32, 19,405.22 and 3,577.11

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Solution

The fourth proportional to 12,937.32, 19,405.22 and 3,577.11 is: 5,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.32 : 19,405.22 = 3,577.11 : x
  2. Step 2: Convert to fraction form
    12,937.32/19,405.22 = 3,577.11/x
  3. Step 3: Cross multiply
    12,937.32x = 19,405.22 × 3,577.11
  4. Step 4: Simplify right side
    12,937.32x = 69,414,645.13
  5. Step 5: Solve for x
    x = 69,414,645.13/12,937.32
  6. Step 6: Final answer
    x = 5,365.46

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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.