Home / 22,106.71-30,495.85-13,708.63

Finding the Fourth Proportional to 22,106.71, 30,495.85 and 13,708.63

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Solution

The fourth proportional to 22,106.71, 30,495.85 and 13,708.63 is: 18,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.71 : 30,495.85 = 13,708.63 : x
  2. Step 2: Convert to fraction form
    22,106.71/30,495.85 = 13,708.63/x
  3. Step 3: Cross multiply
    22,106.71x = 30,495.85 × 13,708.63
  4. Step 4: Simplify right side
    22,106.71x = 418,056,324.19
  5. Step 5: Solve for x
    x = 418,056,324.19/22,106.71
  6. Step 6: Final answer
    x = 18,910.83

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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.