Home / 9,112.29-13,668.43-3,918.16

Finding the Fourth Proportional to 9,112.29, 13,668.43 and 3,918.16

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Solution

The fourth proportional to 9,112.29, 13,668.43 and 3,918.16 is: 5,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.29 : 13,668.43 = 3,918.16 : x
  2. Step 2: Convert to fraction form
    9,112.29/13,668.43 = 3,918.16/x
  3. Step 3: Cross multiply
    9,112.29x = 13,668.43 × 3,918.16
  4. Step 4: Simplify right side
    9,112.29x = 53,555,095.69
  5. Step 5: Solve for x
    x = 53,555,095.69/9,112.29
  6. Step 6: Final answer
    x = 5,877.24

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1.5x scale

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.