Home / 13,110.39-19,662.48-3,750.12

Finding the Fourth Proportional to 13,110.39, 19,662.48 and 3,750.12

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Solution

The fourth proportional to 13,110.39, 19,662.48 and 3,750.12 is: 5,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.39 : 19,662.48 = 3,750.12 : x
  2. Step 2: Convert to fraction form
    13,110.39/19,662.48 = 3,750.12/x
  3. Step 3: Cross multiply
    13,110.39x = 19,662.48 × 3,750.12
  4. Step 4: Simplify right side
    13,110.39x = 73,736,659.50
  5. Step 5: Solve for x
    x = 73,736,659.50/13,110.39
  6. Step 6: Final answer
    x = 5,624.29

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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.