Home / 11,406.42-15,741.54-6,691.01

Finding the Fourth Proportional to 11,406.42, 15,741.54 and 6,691.01

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Solution

The fourth proportional to 11,406.42, 15,741.54 and 6,691.01 is: 9,233.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.42 : 15,741.54 = 6,691.01 : x
  2. Step 2: Convert to fraction form
    11,406.42/15,741.54 = 6,691.01/x
  3. Step 3: Cross multiply
    11,406.42x = 15,741.54 × 6,691.01
  4. Step 4: Simplify right side
    11,406.42x = 105,326,722.85
  5. Step 5: Solve for x
    x = 105,326,722.85/11,406.42
  6. Step 6: Final answer
    x = 9,233.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.