Home / 13,554.76-20,334.36-4,192.60

Finding the Fourth Proportional to 13,554.76, 20,334.36 and 4,192.60

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Solution

The fourth proportional to 13,554.76, 20,334.36 and 4,192.60 is: 6,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.76 : 20,334.36 = 4,192.60 : x
  2. Step 2: Convert to fraction form
    13,554.76/20,334.36 = 4,192.60/x
  3. Step 3: Cross multiply
    13,554.76x = 20,334.36 × 4,192.60
  4. Step 4: Simplify right side
    13,554.76x = 85,253,837.74
  5. Step 5: Solve for x
    x = 85,253,837.74/13,554.76
  6. Step 6: Final answer
    x = 6,289.59

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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.