Home / 9,371.32-14,058.42-3,129.40

Finding the Fourth Proportional to 9,371.32, 14,058.42 and 3,129.40

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Solution

The fourth proportional to 9,371.32, 14,058.42 and 3,129.40 is: 4,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.32 : 14,058.42 = 3,129.40 : x
  2. Step 2: Convert to fraction form
    9,371.32/14,058.42 = 3,129.40/x
  3. Step 3: Cross multiply
    9,371.32x = 14,058.42 × 3,129.40
  4. Step 4: Simplify right side
    9,371.32x = 43,994,419.55
  5. Step 5: Solve for x
    x = 43,994,419.55/9,371.32
  6. Step 6: Final answer
    x = 4,694.58

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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.