Home / 9,979.23-13,771.95-5,502.97

Finding the Fourth Proportional to 9,979.23, 13,771.95 and 5,502.97

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Solution

The fourth proportional to 9,979.23, 13,771.95 and 5,502.97 is: 7,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.23 : 13,771.95 = 5,502.97 : x
  2. Step 2: Convert to fraction form
    9,979.23/13,771.95 = 5,502.97/x
  3. Step 3: Cross multiply
    9,979.23x = 13,771.95 × 5,502.97
  4. Step 4: Simplify right side
    9,979.23x = 75,786,627.69
  5. Step 5: Solve for x
    x = 75,786,627.69/9,979.23
  6. Step 6: Final answer
    x = 7,594.44

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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.