Home / 9,979.54-13,771.51-5,503.23

Finding the Fourth Proportional to 9,979.54, 13,771.51 and 5,503.23

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Solution

The fourth proportional to 9,979.54, 13,771.51 and 5,503.23 is: 7,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.54 : 13,771.51 = 5,503.23 : x
  2. Step 2: Convert to fraction form
    9,979.54/13,771.51 = 5,503.23/x
  3. Step 3: Cross multiply
    9,979.54x = 13,771.51 × 5,503.23
  4. Step 4: Simplify right side
    9,979.54x = 75,787,786.98
  5. Step 5: Solve for x
    x = 75,787,786.98/9,979.54
  6. Step 6: Final answer
    x = 7,594.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.