Home / 10,997.28-16,485.90-5,726.09

Finding the Fourth Proportional to 10,997.28, 16,485.90 and 5,726.09

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Solution

The fourth proportional to 10,997.28, 16,485.90 and 5,726.09 is: 8,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.28 : 16,485.90 = 5,726.09 : x
  2. Step 2: Convert to fraction form
    10,997.28/16,485.90 = 5,726.09/x
  3. Step 3: Cross multiply
    10,997.28x = 16,485.90 × 5,726.09
  4. Step 4: Simplify right side
    10,997.28x = 94,399,664.70
  5. Step 5: Solve for x
    x = 94,399,664.70/10,997.28
  6. Step 6: Final answer
    x = 8,583.91

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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.