Home / 13,561.11-20,326.05-5,237.46

Finding the Fourth Proportional to 13,561.11, 20,326.05 and 5,237.46

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Solution

The fourth proportional to 13,561.11, 20,326.05 and 5,237.46 is: 7,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.11 : 20,326.05 = 5,237.46 : x
  2. Step 2: Convert to fraction form
    13,561.11/20,326.05 = 5,237.46/x
  3. Step 3: Cross multiply
    13,561.11x = 20,326.05 × 5,237.46
  4. Step 4: Simplify right side
    13,561.11x = 106,456,873.83
  5. Step 5: Solve for x
    x = 106,456,873.83/13,561.11
  6. Step 6: Final answer
    x = 7,850.16

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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.