Home / 13,848.48-19,111.20-8,183.52

Finding the Fourth Proportional to 13,848.48, 19,111.20 and 8,183.52

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Solution

The fourth proportional to 13,848.48, 19,111.20 and 8,183.52 is: 11,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.48 : 19,111.20 = 8,183.52 : x
  2. Step 2: Convert to fraction form
    13,848.48/19,111.20 = 8,183.52/x
  3. Step 3: Cross multiply
    13,848.48x = 19,111.20 × 8,183.52
  4. Step 4: Simplify right side
    13,848.48x = 156,396,887.42
  5. Step 5: Solve for x
    x = 156,396,887.42/13,848.48
  6. Step 6: Final answer
    x = 11,293.43

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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.