Home / 9,979.20-14,972.04-6,084.72

Finding the Fourth Proportional to 9,979.20, 14,972.04 and 6,084.72

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Solution

The fourth proportional to 9,979.20, 14,972.04 and 6,084.72 is: 9,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.20 : 14,972.04 = 6,084.72 : x
  2. Step 2: Convert to fraction form
    9,979.20/14,972.04 = 6,084.72/x
  3. Step 3: Cross multiply
    9,979.20x = 14,972.04 × 6,084.72
  4. Step 4: Simplify right side
    9,979.20x = 91,100,671.23
  5. Step 5: Solve for x
    x = 91,100,671.23/9,979.20
  6. Step 6: Final answer
    x = 9,129.06

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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.