Home / 13,374.28-20,058.48-4,490.86

Finding the Fourth Proportional to 13,374.28, 20,058.48 and 4,490.86

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Solution

The fourth proportional to 13,374.28, 20,058.48 and 4,490.86 is: 6,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.28 : 20,058.48 = 4,490.86 : x
  2. Step 2: Convert to fraction form
    13,374.28/20,058.48 = 4,490.86/x
  3. Step 3: Cross multiply
    13,374.28x = 20,058.48 × 4,490.86
  4. Step 4: Simplify right side
    13,374.28x = 90,079,825.49
  5. Step 5: Solve for x
    x = 90,079,825.49/13,374.28
  6. Step 6: Final answer
    x = 6,735.30

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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.