Home / 22,679.88-31,296.83-12,607.74

Finding the Fourth Proportional to 22,679.88, 31,296.83 and 12,607.74

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Solution

The fourth proportional to 22,679.88, 31,296.83 and 12,607.74 is: 17,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.88 : 31,296.83 = 12,607.74 : x
  2. Step 2: Convert to fraction form
    22,679.88/31,296.83 = 12,607.74/x
  3. Step 3: Cross multiply
    22,679.88x = 31,296.83 × 12,607.74
  4. Step 4: Simplify right side
    22,679.88x = 394,582,232.43
  5. Step 5: Solve for x
    x = 394,582,232.43/22,679.88
  6. Step 6: Final answer
    x = 17,397.90

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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.