Home / 14,255.40-21,350.70-9,006.60

Finding the Fourth Proportional to 14,255.40, 21,350.70 and 9,006.60

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Solution

The fourth proportional to 14,255.40, 21,350.70 and 9,006.60 is: 13,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.40 : 21,350.70 = 9,006.60 : x
  2. Step 2: Convert to fraction form
    14,255.40/21,350.70 = 9,006.60/x
  3. Step 3: Cross multiply
    14,255.40x = 21,350.70 × 9,006.60
  4. Step 4: Simplify right side
    14,255.40x = 192,297,214.62
  5. Step 5: Solve for x
    x = 192,297,214.62/14,255.40
  6. Step 6: Final answer
    x = 13,489.43

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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.