Home / 22,089.60-30,469.80-13,706.04

Finding the Fourth Proportional to 22,089.60, 30,469.80 and 13,706.04

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Solution

The fourth proportional to 22,089.60, 30,469.80 and 13,706.04 is: 18,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,089.60 : 30,469.80 = 13,706.04 : x
  2. Step 2: Convert to fraction form
    22,089.60/30,469.80 = 13,706.04/x
  3. Step 3: Cross multiply
    22,089.60x = 30,469.80 × 13,706.04
  4. Step 4: Simplify right side
    22,089.60x = 417,620,297.59
  5. Step 5: Solve for x
    x = 417,620,297.59/22,089.60
  6. Step 6: Final answer
    x = 18,905.74

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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.