Home / 13,557.44-20,327.92-5,650.40

Finding the Fourth Proportional to 13,557.44, 20,327.92 and 5,650.40

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Solution

The fourth proportional to 13,557.44, 20,327.92 and 5,650.40 is: 8,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.44 : 20,327.92 = 5,650.40 : x
  2. Step 2: Convert to fraction form
    13,557.44/20,327.92 = 5,650.40/x
  3. Step 3: Cross multiply
    13,557.44x = 20,327.92 × 5,650.40
  4. Step 4: Simplify right side
    13,557.44x = 114,860,879.17
  5. Step 5: Solve for x
    x = 114,860,879.17/13,557.44
  6. Step 6: Final answer
    x = 8,472.17

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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.