Home / 11,039.60-16,621.55-9,731.75

Finding the Fourth Proportional to 11,039.60, 16,621.55 and 9,731.75

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Solution

The fourth proportional to 11,039.60, 16,621.55 and 9,731.75 is: 14,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.60 : 16,621.55 = 9,731.75 : x
  2. Step 2: Convert to fraction form
    11,039.60/16,621.55 = 9,731.75/x
  3. Step 3: Cross multiply
    11,039.60x = 16,621.55 × 9,731.75
  4. Step 4: Simplify right side
    11,039.60x = 161,756,798.60
  5. Step 5: Solve for x
    x = 161,756,798.60/11,039.60
  6. Step 6: Final answer
    x = 14,652.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.