Home / 21,997.62-30,356.46-11,926.08

Finding the Fourth Proportional to 21,997.62, 30,356.46 and 11,926.08

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Solution

The fourth proportional to 21,997.62, 30,356.46 and 11,926.08 is: 16,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997.62 : 30,356.46 = 11,926.08 : x
  2. Step 2: Convert to fraction form
    21,997.62/30,356.46 = 11,926.08/x
  3. Step 3: Cross multiply
    21,997.62x = 30,356.46 × 11,926.08
  4. Step 4: Simplify right side
    21,997.62x = 362,033,570.48
  5. Step 5: Solve for x
    x = 362,033,570.48/21,997.62
  6. Step 6: Final answer
    x = 16,457.85

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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.