Home / 13,587.33-20,381.00-8,969.25

Finding the Fourth Proportional to 13,587.33, 20,381.00 and 8,969.25

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Solution

The fourth proportional to 13,587.33, 20,381.00 and 8,969.25 is: 13,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.33 : 20,381.00 = 8,969.25 : x
  2. Step 2: Convert to fraction form
    13,587.33/20,381.00 = 8,969.25/x
  3. Step 3: Cross multiply
    13,587.33x = 20,381.00 × 8,969.25
  4. Step 4: Simplify right side
    13,587.33x = 182,802,239.40
  5. Step 5: Solve for x
    x = 182,802,239.40/13,587.33
  6. Step 6: Final answer
    x = 13,453.88

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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.