Home / 9,388.24-14,083.20-5,490.40

Finding the Fourth Proportional to 9,388.24, 14,083.20 and 5,490.40

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Solution

The fourth proportional to 9,388.24, 14,083.20 and 5,490.40 is: 8,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.24 : 14,083.20 = 5,490.40 : x
  2. Step 2: Convert to fraction form
    9,388.24/14,083.20 = 5,490.40/x
  3. Step 3: Cross multiply
    9,388.24x = 14,083.20 × 5,490.40
  4. Step 4: Simplify right side
    9,388.24x = 77,322,401.28
  5. Step 5: Solve for x
    x = 77,322,401.28/9,388.24
  6. Step 6: Final answer
    x = 8,236.09

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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.