Home / 9,979.44-13,771.92-5,503.32

Finding the Fourth Proportional to 9,979.44, 13,771.92 and 5,503.32

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Solution

The fourth proportional to 9,979.44, 13,771.92 and 5,503.32 is: 7,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.44 : 13,771.92 = 5,503.32 : x
  2. Step 2: Convert to fraction form
    9,979.44/13,771.92 = 5,503.32/x
  3. Step 3: Cross multiply
    9,979.44x = 13,771.92 × 5,503.32
  4. Step 4: Simplify right side
    9,979.44x = 75,791,282.77
  5. Step 5: Solve for x
    x = 75,791,282.77/9,979.44
  6. Step 6: Final answer
    x = 7,594.74

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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.