Home / 13,551.24-20,326.86-8,933.16

Finding the Fourth Proportional to 13,551.24, 20,326.86 and 8,933.16

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Solution

The fourth proportional to 13,551.24, 20,326.86 and 8,933.16 is: 13,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.24 : 20,326.86 = 8,933.16 : x
  2. Step 2: Convert to fraction form
    13,551.24/20,326.86 = 8,933.16/x
  3. Step 3: Cross multiply
    13,551.24x = 20,326.86 × 8,933.16
  4. Step 4: Simplify right side
    13,551.24x = 181,583,092.68
  5. Step 5: Solve for x
    x = 181,583,092.68/13,551.24
  6. Step 6: Final answer
    x = 13,399.74

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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.