Home / 13,296.69-19,920.33-4,971.51

Finding the Fourth Proportional to 13,296.69, 19,920.33 and 4,971.51

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Solution

The fourth proportional to 13,296.69, 19,920.33 and 4,971.51 is: 7,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.69 : 19,920.33 = 4,971.51 : x
  2. Step 2: Convert to fraction form
    13,296.69/19,920.33 = 4,971.51/x
  3. Step 3: Cross multiply
    13,296.69x = 19,920.33 × 4,971.51
  4. Step 4: Simplify right side
    13,296.69x = 99,034,119.80
  5. Step 5: Solve for x
    x = 99,034,119.80/13,296.69
  6. Step 6: Final answer
    x = 7,448.03

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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.