Home / 22,423.88-30,950.44-12,997.92

Finding the Fourth Proportional to 22,423.88, 30,950.44 and 12,997.92

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Solution

The fourth proportional to 22,423.88, 30,950.44 and 12,997.92 is: 17,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.88 : 30,950.44 = 12,997.92 : x
  2. Step 2: Convert to fraction form
    22,423.88/30,950.44 = 12,997.92/x
  3. Step 3: Cross multiply
    22,423.88x = 30,950.44 × 12,997.92
  4. Step 4: Simplify right side
    22,423.88x = 402,291,343.08
  5. Step 5: Solve for x
    x = 402,291,343.08/22,423.88
  6. Step 6: Final answer
    x = 17,940.31

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Double scale
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Similar ratio
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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.