Home / 9,414.29-12,991.66-5,165.24

Finding the Fourth Proportional to 9,414.29, 12,991.66 and 5,165.24

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Solution

The fourth proportional to 9,414.29, 12,991.66 and 5,165.24 is: 7,127.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.29 : 12,991.66 = 5,165.24 : x
  2. Step 2: Convert to fraction form
    9,414.29/12,991.66 = 5,165.24/x
  3. Step 3: Cross multiply
    9,414.29x = 12,991.66 × 5,165.24
  4. Step 4: Simplify right side
    9,414.29x = 67,104,964.03
  5. Step 5: Solve for x
    x = 67,104,964.03/9,414.29
  6. Step 6: Final answer
    x = 7,127.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.