Home / 18,344.72-27,490.10-10,840.56

Finding the Fourth Proportional to 18,344.72, 27,490.10 and 10,840.56

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Solution

The fourth proportional to 18,344.72, 27,490.10 and 10,840.56 is: 16,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.72 : 27,490.10 = 10,840.56 : x
  2. Step 2: Convert to fraction form
    18,344.72/27,490.10 = 10,840.56/x
  3. Step 3: Cross multiply
    18,344.72x = 27,490.10 × 10,840.56
  4. Step 4: Simplify right side
    18,344.72x = 298,008,024.25
  5. Step 5: Solve for x
    x = 298,008,024.25/18,344.72
  6. Step 6: Final answer
    x = 16,244.90

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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.