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Finding the Fourth Proportional to 9,979.98, 14,970.24 and 2,483.24

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Solution

The fourth proportional to 9,979.98, 14,970.24 and 2,483.24 is: 3,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.98 : 14,970.24 = 2,483.24 : x
  2. Step 2: Convert to fraction form
    9,979.98/14,970.24 = 2,483.24/x
  3. Step 3: Cross multiply
    9,979.98x = 14,970.24 × 2,483.24
  4. Step 4: Simplify right side
    9,979.98x = 37,174,680.06
  5. Step 5: Solve for x
    x = 37,174,680.06/9,979.98
  6. Step 6: Final answer
    x = 3,724.93

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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.