Home / 9,979.36-14,955.13-5,043.23

Finding the Fourth Proportional to 9,979.36, 14,955.13 and 5,043.23

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Solution

The fourth proportional to 9,979.36, 14,955.13 and 5,043.23 is: 7,557.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.36 : 14,955.13 = 5,043.23 : x
  2. Step 2: Convert to fraction form
    9,979.36/14,955.13 = 5,043.23/x
  3. Step 3: Cross multiply
    9,979.36x = 14,955.13 × 5,043.23
  4. Step 4: Simplify right side
    9,979.36x = 75,422,185.05
  5. Step 5: Solve for x
    x = 75,422,185.05/9,979.36
  6. Step 6: Final answer
    x = 7,557.82

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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.