Home / 11,090.60-16,621.34-4,509.08

Finding the Fourth Proportional to 11,090.60, 16,621.34 and 4,509.08

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Solution

The fourth proportional to 11,090.60, 16,621.34 and 4,509.08 is: 6,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.60 : 16,621.34 = 4,509.08 : x
  2. Step 2: Convert to fraction form
    11,090.60/16,621.34 = 4,509.08/x
  3. Step 3: Cross multiply
    11,090.60x = 16,621.34 × 4,509.08
  4. Step 4: Simplify right side
    11,090.60x = 74,946,951.77
  5. Step 5: Solve for x
    x = 74,946,951.77/11,090.60
  6. Step 6: Final answer
    x = 6,757.70

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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.