Home / 9,112.35-13,668.12-2,538.39

Finding the Fourth Proportional to 9,112.35, 13,668.12 and 2,538.39

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Solution

The fourth proportional to 9,112.35, 13,668.12 and 2,538.39 is: 3,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.35 : 13,668.12 = 2,538.39 : x
  2. Step 2: Convert to fraction form
    9,112.35/13,668.12 = 2,538.39/x
  3. Step 3: Cross multiply
    9,112.35x = 13,668.12 × 2,538.39
  4. Step 4: Simplify right side
    9,112.35x = 34,695,019.13
  5. Step 5: Solve for x
    x = 34,695,019.13/9,112.35
  6. Step 6: Final answer
    x = 3,807.47

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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.