Home / 11,151.60-16,727.40-5,313.12

Finding the Fourth Proportional to 11,151.60, 16,727.40 and 5,313.12

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Solution

The fourth proportional to 11,151.60, 16,727.40 and 5,313.12 is: 7,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.60 : 16,727.40 = 5,313.12 : x
  2. Step 2: Convert to fraction form
    11,151.60/16,727.40 = 5,313.12/x
  3. Step 3: Cross multiply
    11,151.60x = 16,727.40 × 5,313.12
  4. Step 4: Simplify right side
    11,151.60x = 88,874,683.49
  5. Step 5: Solve for x
    x = 88,874,683.49/11,151.60
  6. Step 6: Final answer
    x = 7,969.68

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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.