Home / 9,988.35-14,980.85-3,661.92

Finding the Fourth Proportional to 9,988.35, 14,980.85 and 3,661.92

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Solution

The fourth proportional to 9,988.35, 14,980.85 and 3,661.92 is: 5,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.35 : 14,980.85 = 3,661.92 : x
  2. Step 2: Convert to fraction form
    9,988.35/14,980.85 = 3,661.92/x
  3. Step 3: Cross multiply
    9,988.35x = 14,980.85 × 3,661.92
  4. Step 4: Simplify right side
    9,988.35x = 54,858,655.92
  5. Step 5: Solve for x
    x = 54,858,655.92/9,988.35
  6. Step 6: Final answer
    x = 5,492.26

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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.