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Finding the Fourth Proportional to 10,265.59, 15,399.59 and 3,600.05

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Solution

The fourth proportional to 10,265.59, 15,399.59 and 3,600.05 is: 5,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.59 : 15,399.59 = 3,600.05 : x
  2. Step 2: Convert to fraction form
    10,265.59/15,399.59 = 3,600.05/x
  3. Step 3: Cross multiply
    10,265.59x = 15,399.59 × 3,600.05
  4. Step 4: Simplify right side
    10,265.59x = 55,439,293.98
  5. Step 5: Solve for x
    x = 55,439,293.98/10,265.59
  6. Step 6: Final answer
    x = 5,400.50

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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.