Home / 10,744.40-16,102.20-7,662.80

Finding the Fourth Proportional to 10,744.40, 16,102.20 and 7,662.80

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Solution

The fourth proportional to 10,744.40, 16,102.20 and 7,662.80 is: 11,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,744.40 : 16,102.20 = 7,662.80 : x
  2. Step 2: Convert to fraction form
    10,744.40/16,102.20 = 7,662.80/x
  3. Step 3: Cross multiply
    10,744.40x = 16,102.20 × 7,662.80
  4. Step 4: Simplify right side
    10,744.40x = 123,387,938.16
  5. Step 5: Solve for x
    x = 123,387,938.16/10,744.40
  6. Step 6: Final answer
    x = 11,483.93

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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.