Home / 10,933.60-16,400.40-5,738.80

Finding the Fourth Proportional to 10,933.60, 16,400.40 and 5,738.80

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Solution

The fourth proportional to 10,933.60, 16,400.40 and 5,738.80 is: 8,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.60 : 16,400.40 = 5,738.80 : x
  2. Step 2: Convert to fraction form
    10,933.60/16,400.40 = 5,738.80/x
  3. Step 3: Cross multiply
    10,933.60x = 16,400.40 × 5,738.80
  4. Step 4: Simplify right side
    10,933.60x = 94,118,615.52
  5. Step 5: Solve for x
    x = 94,118,615.52/10,933.60
  6. Step 6: Final answer
    x = 8,608.20

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