Home / 9,985.11-14,976.08-3,321.06

Finding the Fourth Proportional to 9,985.11, 14,976.08 and 3,321.06

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Solution

The fourth proportional to 9,985.11, 14,976.08 and 3,321.06 is: 4,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.11 : 14,976.08 = 3,321.06 : x
  2. Step 2: Convert to fraction form
    9,985.11/14,976.08 = 3,321.06/x
  3. Step 3: Cross multiply
    9,985.11x = 14,976.08 × 3,321.06
  4. Step 4: Simplify right side
    9,985.11x = 49,736,460.24
  5. Step 5: Solve for x
    x = 49,736,460.24/9,985.11
  6. Step 6: Final answer
    x = 4,981.06

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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.