Home / 13,440.44-20,162.82-4,677.86

Finding the Fourth Proportional to 13,440.44, 20,162.82 and 4,677.86

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Solution

The fourth proportional to 13,440.44, 20,162.82 and 4,677.86 is: 7,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.44 : 20,162.82 = 4,677.86 : x
  2. Step 2: Convert to fraction form
    13,440.44/20,162.82 = 4,677.86/x
  3. Step 3: Cross multiply
    13,440.44x = 20,162.82 × 4,677.86
  4. Step 4: Simplify right side
    13,440.44x = 94,318,849.17
  5. Step 5: Solve for x
    x = 94,318,849.17/13,440.44
  6. Step 6: Final answer
    x = 7,017.54

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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.