Home / 9,979.30-13,771.22-5,503.24

Finding the Fourth Proportional to 9,979.30, 13,771.22 and 5,503.24

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Solution

The fourth proportional to 9,979.30, 13,771.22 and 5,503.24 is: 7,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.30 : 13,771.22 = 5,503.24 : x
  2. Step 2: Convert to fraction form
    9,979.30/13,771.22 = 5,503.24/x
  3. Step 3: Cross multiply
    9,979.30x = 13,771.22 × 5,503.24
  4. Step 4: Simplify right side
    9,979.30x = 75,786,318.45
  5. Step 5: Solve for x
    x = 75,786,318.45/9,979.30
  6. Step 6: Final answer
    x = 7,594.35

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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.