Home / 11,840.15-17,743.30-8,695.49

Finding the Fourth Proportional to 11,840.15, 17,743.30 and 8,695.49

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Solution

The fourth proportional to 11,840.15, 17,743.30 and 8,695.49 is: 13,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.15 : 17,743.30 = 8,695.49 : x
  2. Step 2: Convert to fraction form
    11,840.15/17,743.30 = 8,695.49/x
  3. Step 3: Cross multiply
    11,840.15x = 17,743.30 × 8,695.49
  4. Step 4: Simplify right side
    11,840.15x = 154,286,577.26
  5. Step 5: Solve for x
    x = 154,286,577.26/11,840.15
  6. Step 6: Final answer
    x = 13,030.79

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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.