Home / 13,588.26-20,364.15-8,906.25

Finding the Fourth Proportional to 13,588.26, 20,364.15 and 8,906.25

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Solution

The fourth proportional to 13,588.26, 20,364.15 and 8,906.25 is: 13,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.26 : 20,364.15 = 8,906.25 : x
  2. Step 2: Convert to fraction form
    13,588.26/20,364.15 = 8,906.25/x
  3. Step 3: Cross multiply
    13,588.26x = 20,364.15 × 8,906.25
  4. Step 4: Simplify right side
    13,588.26x = 181,368,210.94
  5. Step 5: Solve for x
    x = 181,368,210.94/13,588.26
  6. Step 6: Final answer
    x = 13,347.42

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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.