Home / 13,327.60-19,998.60-5,537.20

Finding the Fourth Proportional to 13,327.60, 19,998.60 and 5,537.20

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Solution

The fourth proportional to 13,327.60, 19,998.60 and 5,537.20 is: 8,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.60 : 19,998.60 = 5,537.20 : x
  2. Step 2: Convert to fraction form
    13,327.60/19,998.60 = 5,537.20/x
  3. Step 3: Cross multiply
    13,327.60x = 19,998.60 × 5,537.20
  4. Step 4: Simplify right side
    13,327.60x = 110,736,247.92
  5. Step 5: Solve for x
    x = 110,736,247.92/13,327.60
  6. Step 6: Final answer
    x = 8,308.79

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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.