Home / 13,305.47-19,952.41-3,815.69

Finding the Fourth Proportional to 13,305.47, 19,952.41 and 3,815.69

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Solution

The fourth proportional to 13,305.47, 19,952.41 and 3,815.69 is: 5,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.47 : 19,952.41 = 3,815.69 : x
  2. Step 2: Convert to fraction form
    13,305.47/19,952.41 = 3,815.69/x
  3. Step 3: Cross multiply
    13,305.47x = 19,952.41 × 3,815.69
  4. Step 4: Simplify right side
    13,305.47x = 76,132,192.23
  5. Step 5: Solve for x
    x = 76,132,192.23/13,305.47
  6. Step 6: Final answer
    x = 5,721.87

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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.