Home / 22,418.30-30,937.11-12,346.22

Finding the Fourth Proportional to 22,418.30, 30,937.11 and 12,346.22

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Solution

The fourth proportional to 22,418.30, 30,937.11 and 12,346.22 is: 17,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.30 : 30,937.11 = 12,346.22 : x
  2. Step 2: Convert to fraction form
    22,418.30/30,937.11 = 12,346.22/x
  3. Step 3: Cross multiply
    22,418.30x = 30,937.11 × 12,346.22
  4. Step 4: Simplify right side
    22,418.30x = 381,956,366.22
  5. Step 5: Solve for x
    x = 381,956,366.22/22,418.30
  6. Step 6: Final answer
    x = 17,037.70

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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.