Home / 16,213.52-22,369.51-12,799.71

Finding the Fourth Proportional to 16,213.52, 22,369.51 and 12,799.71

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Solution

The fourth proportional to 16,213.52, 22,369.51 and 12,799.71 is: 17,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.52 : 22,369.51 = 12,799.71 : x
  2. Step 2: Convert to fraction form
    16,213.52/22,369.51 = 12,799.71/x
  3. Step 3: Cross multiply
    16,213.52x = 22,369.51 × 12,799.71
  4. Step 4: Simplify right side
    16,213.52x = 286,323,240.84
  5. Step 5: Solve for x
    x = 286,323,240.84/16,213.52
  6. Step 6: Final answer
    x = 17,659.54

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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.