Home / 13,125.97-19,688.96-3,265.25

Finding the Fourth Proportional to 13,125.97, 19,688.96 and 3,265.25

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Solution

The fourth proportional to 13,125.97, 19,688.96 and 3,265.25 is: 4,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.97 : 19,688.96 = 3,265.25 : x
  2. Step 2: Convert to fraction form
    13,125.97/19,688.96 = 3,265.25/x
  3. Step 3: Cross multiply
    13,125.97x = 19,688.96 × 3,265.25
  4. Step 4: Simplify right side
    13,125.97x = 64,289,286.36
  5. Step 5: Solve for x
    x = 64,289,286.36/13,125.97
  6. Step 6: Final answer
    x = 4,897.87

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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.