Home / 11,255.90-15,532.75-6,220.03

Finding the Fourth Proportional to 11,255.90, 15,532.75 and 6,220.03

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Solution

The fourth proportional to 11,255.90, 15,532.75 and 6,220.03 is: 8,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.90 : 15,532.75 = 6,220.03 : x
  2. Step 2: Convert to fraction form
    11,255.90/15,532.75 = 6,220.03/x
  3. Step 3: Cross multiply
    11,255.90x = 15,532.75 × 6,220.03
  4. Step 4: Simplify right side
    11,255.90x = 96,614,134.06
  5. Step 5: Solve for x
    x = 96,614,134.06/11,255.90
  6. Step 6: Final answer
    x = 8,583.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.