Home / 13,749.55-20,626.89-6,349.12

Finding the Fourth Proportional to 13,749.55, 20,626.89 and 6,349.12

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Solution

The fourth proportional to 13,749.55, 20,626.89 and 6,349.12 is: 9,524.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.55 : 20,626.89 = 6,349.12 : x
  2. Step 2: Convert to fraction form
    13,749.55/20,626.89 = 6,349.12/x
  3. Step 3: Cross multiply
    13,749.55x = 20,626.89 × 6,349.12
  4. Step 4: Simplify right side
    13,749.55x = 130,962,599.84
  5. Step 5: Solve for x
    x = 130,962,599.84/13,749.55
  6. Step 6: Final answer
    x = 9,524.86

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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.