Home / 13,503.36-20,253.42-3,641.88

Finding the Fourth Proportional to 13,503.36, 20,253.42 and 3,641.88

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Solution

The fourth proportional to 13,503.36, 20,253.42 and 3,641.88 is: 5,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.36 : 20,253.42 = 3,641.88 : x
  2. Step 2: Convert to fraction form
    13,503.36/20,253.42 = 3,641.88/x
  3. Step 3: Cross multiply
    13,503.36x = 20,253.42 × 3,641.88
  4. Step 4: Simplify right side
    13,503.36x = 73,760,525.23
  5. Step 5: Solve for x
    x = 73,760,525.23/13,503.36
  6. Step 6: Final answer
    x = 5,462.38

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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.