Home / 9,979.48-14,974.41-4,436.78

Finding the Fourth Proportional to 9,979.48, 14,974.41 and 4,436.78

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Solution

The fourth proportional to 9,979.48, 14,974.41 and 4,436.78 is: 6,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.48 : 14,974.41 = 4,436.78 : x
  2. Step 2: Convert to fraction form
    9,979.48/14,974.41 = 4,436.78/x
  3. Step 3: Cross multiply
    9,979.48x = 14,974.41 × 4,436.78
  4. Step 4: Simplify right side
    9,979.48x = 66,438,162.80
  5. Step 5: Solve for x
    x = 66,438,162.80/9,979.48
  6. Step 6: Final answer
    x = 6,657.48

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1.5x scale

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.