Home / 11,837.94-16,335.81-6,531.90

Finding the Fourth Proportional to 11,837.94, 16,335.81 and 6,531.90

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Solution

The fourth proportional to 11,837.94, 16,335.81 and 6,531.90 is: 9,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.94 : 16,335.81 = 6,531.90 : x
  2. Step 2: Convert to fraction form
    11,837.94/16,335.81 = 6,531.90/x
  3. Step 3: Cross multiply
    11,837.94x = 16,335.81 × 6,531.90
  4. Step 4: Simplify right side
    11,837.94x = 106,703,877.34
  5. Step 5: Solve for x
    x = 106,703,877.34/11,837.94
  6. Step 6: Final answer
    x = 9,013.72

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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.