Home / 11,904.05-17,856.81-4,005.91

Finding the Fourth Proportional to 11,904.05, 17,856.81 and 4,005.91

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Solution

The fourth proportional to 11,904.05, 17,856.81 and 4,005.91 is: 6,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.05 : 17,856.81 = 4,005.91 : x
  2. Step 2: Convert to fraction form
    11,904.05/17,856.81 = 4,005.91/x
  3. Step 3: Cross multiply
    11,904.05x = 17,856.81 × 4,005.91
  4. Step 4: Simplify right side
    11,904.05x = 71,532,796.07
  5. Step 5: Solve for x
    x = 71,532,796.07/11,904.05
  6. Step 6: Final answer
    x = 6,009.11

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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.