Home / 9,371.90-14,052.69-3,128.63

Finding the Fourth Proportional to 9,371.90, 14,052.69 and 3,128.63

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Solution

The fourth proportional to 9,371.90, 14,052.69 and 3,128.63 is: 4,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.90 : 14,052.69 = 3,128.63 : x
  2. Step 2: Convert to fraction form
    9,371.90/14,052.69 = 3,128.63/x
  3. Step 3: Cross multiply
    9,371.90x = 14,052.69 × 3,128.63
  4. Step 4: Simplify right side
    9,371.90x = 43,965,597.25
  5. Step 5: Solve for x
    x = 43,965,597.25/9,371.90
  6. Step 6: Final answer
    x = 4,691.21

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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.