Home / 13,103.97-19,655.71-3,243.25

Finding the Fourth Proportional to 13,103.97, 19,655.71 and 3,243.25

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Solution

The fourth proportional to 13,103.97, 19,655.71 and 3,243.25 is: 4,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.97 : 19,655.71 = 3,243.25 : x
  2. Step 2: Convert to fraction form
    13,103.97/19,655.71 = 3,243.25/x
  3. Step 3: Cross multiply
    13,103.97x = 19,655.71 × 3,243.25
  4. Step 4: Simplify right side
    13,103.97x = 63,748,266.96
  5. Step 5: Solve for x
    x = 63,748,266.96/13,103.97
  6. Step 6: Final answer
    x = 4,864.81

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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.