Home / 11,039.40-16,559.10-6,654.60

Finding the Fourth Proportional to 11,039.40, 16,559.10 and 6,654.60

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Solution

The fourth proportional to 11,039.40, 16,559.10 and 6,654.60 is: 9,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.40 : 16,559.10 = 6,654.60 : x
  2. Step 2: Convert to fraction form
    11,039.40/16,559.10 = 6,654.60/x
  3. Step 3: Cross multiply
    11,039.40x = 16,559.10 × 6,654.60
  4. Step 4: Simplify right side
    11,039.40x = 110,194,186.86
  5. Step 5: Solve for x
    x = 110,194,186.86/11,039.40
  6. Step 6: Final answer
    x = 9,981.90

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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.