Home / 10,681.88-16,029.32-4,108.64

Finding the Fourth Proportional to 10,681.88, 16,029.32 and 4,108.64

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Solution

The fourth proportional to 10,681.88, 16,029.32 and 4,108.64 is: 6,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.88 : 16,029.32 = 4,108.64 : x
  2. Step 2: Convert to fraction form
    10,681.88/16,029.32 = 4,108.64/x
  3. Step 3: Cross multiply
    10,681.88x = 16,029.32 × 4,108.64
  4. Step 4: Simplify right side
    10,681.88x = 65,858,705.32
  5. Step 5: Solve for x
    x = 65,858,705.32/10,681.88
  6. Step 6: Final answer
    x = 6,165.46

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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.