Home / 17,668.13-26,501.81-5,187.87

Finding the Fourth Proportional to 17,668.13, 26,501.81 and 5,187.87

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Solution

The fourth proportional to 17,668.13, 26,501.81 and 5,187.87 is: 7,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.13 : 26,501.81 = 5,187.87 : x
  2. Step 2: Convert to fraction form
    17,668.13/26,501.81 = 5,187.87/x
  3. Step 3: Cross multiply
    17,668.13x = 26,501.81 × 5,187.87
  4. Step 4: Simplify right side
    17,668.13x = 137,487,945.04
  5. Step 5: Solve for x
    x = 137,487,945.04/17,668.13
  6. Step 6: Final answer
    x = 7,781.69

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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.