Home / 18,426.66-27,635.94-7,331.28

Finding the Fourth Proportional to 18,426.66, 27,635.94 and 7,331.28

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Solution

The fourth proportional to 18,426.66, 27,635.94 and 7,331.28 is: 10,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.66 : 27,635.94 = 7,331.28 : x
  2. Step 2: Convert to fraction form
    18,426.66/27,635.94 = 7,331.28/x
  3. Step 3: Cross multiply
    18,426.66x = 27,635.94 × 7,331.28
  4. Step 4: Simplify right side
    18,426.66x = 202,606,814.20
  5. Step 5: Solve for x
    x = 202,606,814.20/18,426.66
  6. Step 6: Final answer
    x = 10,995.31

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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.