Home / 22,346.21-30,838.13-12,275.57

Finding the Fourth Proportional to 22,346.21, 30,838.13 and 12,275.57

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Solution

The fourth proportional to 22,346.21, 30,838.13 and 12,275.57 is: 16,940.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,346.21 : 30,838.13 = 12,275.57 : x
  2. Step 2: Convert to fraction form
    22,346.21/30,838.13 = 12,275.57/x
  3. Step 3: Cross multiply
    22,346.21x = 30,838.13 × 12,275.57
  4. Step 4: Simplify right side
    22,346.21x = 378,555,407.92
  5. Step 5: Solve for x
    x = 378,555,407.92/22,346.21
  6. Step 6: Final answer
    x = 16,940.48

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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.