Home / 17,112.60-23,438.16-16,103.70

Finding the Fourth Proportional to 17,112.60, 23,438.16 and 16,103.70

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Solution

The fourth proportional to 17,112.60, 23,438.16 and 16,103.70 is: 22,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.60 : 23,438.16 = 16,103.70 : x
  2. Step 2: Convert to fraction form
    17,112.60/23,438.16 = 16,103.70/x
  3. Step 3: Cross multiply
    17,112.60x = 23,438.16 × 16,103.70
  4. Step 4: Simplify right side
    17,112.60x = 377,441,097.19
  5. Step 5: Solve for x
    x = 377,441,097.19/17,112.60
  6. Step 6: Final answer
    x = 22,056.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.