Home / 13,848.96-20,773.44-3,460.80

Finding the Fourth Proportional to 13,848.96, 20,773.44 and 3,460.80

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Solution

The fourth proportional to 13,848.96, 20,773.44 and 3,460.80 is: 5,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.96 : 20,773.44 = 3,460.80 : x
  2. Step 2: Convert to fraction form
    13,848.96/20,773.44 = 3,460.80/x
  3. Step 3: Cross multiply
    13,848.96x = 20,773.44 × 3,460.80
  4. Step 4: Simplify right side
    13,848.96x = 71,892,721.15
  5. Step 5: Solve for x
    x = 71,892,721.15/13,848.96
  6. Step 6: Final answer
    x = 5,191.20

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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.