Home / 13,301.19-19,952.07-4,979.64

Finding the Fourth Proportional to 13,301.19, 19,952.07 and 4,979.64

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Solution

The fourth proportional to 13,301.19, 19,952.07 and 4,979.64 is: 7,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.19 : 19,952.07 = 4,979.64 : x
  2. Step 2: Convert to fraction form
    13,301.19/19,952.07 = 4,979.64/x
  3. Step 3: Cross multiply
    13,301.19x = 19,952.07 × 4,979.64
  4. Step 4: Simplify right side
    13,301.19x = 99,354,125.85
  5. Step 5: Solve for x
    x = 99,354,125.85/13,301.19
  6. Step 6: Final answer
    x = 7,469.57

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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.