Home / 9,112.52-13,668.92-2,538.63

Finding the Fourth Proportional to 9,112.52, 13,668.92 and 2,538.63

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Solution

The fourth proportional to 9,112.52, 13,668.92 and 2,538.63 is: 3,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.52 : 13,668.92 = 2,538.63 : x
  2. Step 2: Convert to fraction form
    9,112.52/13,668.92 = 2,538.63/x
  3. Step 3: Cross multiply
    9,112.52x = 13,668.92 × 2,538.63
  4. Step 4: Simplify right side
    9,112.52x = 34,700,317.69
  5. Step 5: Solve for x
    x = 34,700,317.69/9,112.52
  6. Step 6: Final answer
    x = 3,807.98

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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.