Home / 11,660.96-16,099.28-9,003.68

Finding the Fourth Proportional to 11,660.96, 16,099.28 and 9,003.68

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Solution

The fourth proportional to 11,660.96, 16,099.28 and 9,003.68 is: 12,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.96 : 16,099.28 = 9,003.68 : x
  2. Step 2: Convert to fraction form
    11,660.96/16,099.28 = 9,003.68/x
  3. Step 3: Cross multiply
    11,660.96x = 16,099.28 × 9,003.68
  4. Step 4: Simplify right side
    11,660.96x = 144,952,765.35
  5. Step 5: Solve for x
    x = 144,952,765.35/11,660.96
  6. Step 6: Final answer
    x = 12,430.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.