Home / 9,988.85-14,979.39-3,745.46

Finding the Fourth Proportional to 9,988.85, 14,979.39 and 3,745.46

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Solution

The fourth proportional to 9,988.85, 14,979.39 and 3,745.46 is: 5,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.85 : 14,979.39 = 3,745.46 : x
  2. Step 2: Convert to fraction form
    9,988.85/14,979.39 = 3,745.46/x
  3. Step 3: Cross multiply
    9,988.85x = 14,979.39 × 3,745.46
  4. Step 4: Simplify right side
    9,988.85x = 56,104,729.47
  5. Step 5: Solve for x
    x = 56,104,729.47/9,988.85
  6. Step 6: Final answer
    x = 5,616.73

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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.