Home / 9,448.47-14,169.71-3,121.92

Finding the Fourth Proportional to 9,448.47, 14,169.71 and 3,121.92

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Solution

The fourth proportional to 9,448.47, 14,169.71 and 3,121.92 is: 4,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448.47 : 14,169.71 = 3,121.92 : x
  2. Step 2: Convert to fraction form
    9,448.47/14,169.71 = 3,121.92/x
  3. Step 3: Cross multiply
    9,448.47x = 14,169.71 × 3,121.92
  4. Step 4: Simplify right side
    9,448.47x = 44,236,708.85
  5. Step 5: Solve for x
    x = 44,236,708.85/9,448.47
  6. Step 6: Final answer
    x = 4,681.89

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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.