Home / 9,979.20-14,965.44-4,054.56

Finding the Fourth Proportional to 9,979.20, 14,965.44 and 4,054.56

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Solution

The fourth proportional to 9,979.20, 14,965.44 and 4,054.56 is: 6,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.20 : 14,965.44 = 4,054.56 : x
  2. Step 2: Convert to fraction form
    9,979.20/14,965.44 = 4,054.56/x
  3. Step 3: Cross multiply
    9,979.20x = 14,965.44 × 4,054.56
  4. Step 4: Simplify right side
    9,979.20x = 60,678,274.41
  5. Step 5: Solve for x
    x = 60,678,274.41/9,979.20
  6. Step 6: Final answer
    x = 6,080.47

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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.