Home / 22,114.60-33,171.90-7,325.80

Finding the Fourth Proportional to 22,114.60, 33,171.90 and 7,325.80

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Solution

The fourth proportional to 22,114.60, 33,171.90 and 7,325.80 is: 10,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,114.60 : 33,171.90 = 7,325.80 : x
  2. Step 2: Convert to fraction form
    22,114.60/33,171.90 = 7,325.80/x
  3. Step 3: Cross multiply
    22,114.60x = 33,171.90 × 7,325.80
  4. Step 4: Simplify right side
    22,114.60x = 243,010,705.02
  5. Step 5: Solve for x
    x = 243,010,705.02/22,114.60
  6. Step 6: Final answer
    x = 10,988.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.