Home / 13,729.56-20,591.85-4,370.58

Finding the Fourth Proportional to 13,729.56, 20,591.85 and 4,370.58

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Solution

The fourth proportional to 13,729.56, 20,591.85 and 4,370.58 is: 6,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.56 : 20,591.85 = 4,370.58 : x
  2. Step 2: Convert to fraction form
    13,729.56/20,591.85 = 4,370.58/x
  3. Step 3: Cross multiply
    13,729.56x = 20,591.85 × 4,370.58
  4. Step 4: Simplify right side
    13,729.56x = 89,998,327.77
  5. Step 5: Solve for x
    x = 89,998,327.77/13,729.56
  6. Step 6: Final answer
    x = 6,555.08

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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.