Home / 19,219.88-26,523.78-10,722.44

Finding the Fourth Proportional to 19,219.88, 26,523.78 and 10,722.44

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Solution

The fourth proportional to 19,219.88, 26,523.78 and 10,722.44 is: 14,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.88 : 26,523.78 = 10,722.44 : x
  2. Step 2: Convert to fraction form
    19,219.88/26,523.78 = 10,722.44/x
  3. Step 3: Cross multiply
    19,219.88x = 26,523.78 × 10,722.44
  4. Step 4: Simplify right side
    19,219.88x = 284,399,639.62
  5. Step 5: Solve for x
    x = 284,399,639.62/19,219.88
  6. Step 6: Final answer
    x = 14,797.16

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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.