Home / 13,006.56-19,513.08-3,772.56

Finding the Fourth Proportional to 13,006.56, 19,513.08 and 3,772.56

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Solution

The fourth proportional to 13,006.56, 19,513.08 and 3,772.56 is: 5,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.56 : 19,513.08 = 3,772.56 : x
  2. Step 2: Convert to fraction form
    13,006.56/19,513.08 = 3,772.56/x
  3. Step 3: Cross multiply
    13,006.56x = 19,513.08 × 3,772.56
  4. Step 4: Simplify right side
    13,006.56x = 73,614,265.08
  5. Step 5: Solve for x
    x = 73,614,265.08/13,006.56
  6. Step 6: Final answer
    x = 5,659.78

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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.