Home / 13,489.62-20,234.57-4,724.75

Finding the Fourth Proportional to 13,489.62, 20,234.57 and 4,724.75

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Solution

The fourth proportional to 13,489.62, 20,234.57 and 4,724.75 is: 7,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.62 : 20,234.57 = 4,724.75 : x
  2. Step 2: Convert to fraction form
    13,489.62/20,234.57 = 4,724.75/x
  3. Step 3: Cross multiply
    13,489.62x = 20,234.57 × 4,724.75
  4. Step 4: Simplify right side
    13,489.62x = 95,603,159.81
  5. Step 5: Solve for x
    x = 95,603,159.81/13,489.62
  6. Step 6: Final answer
    x = 7,087.16

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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.