Home / 13,614.62-20,417.03-4,847.78

Finding the Fourth Proportional to 13,614.62, 20,417.03 and 4,847.78

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Solution

The fourth proportional to 13,614.62, 20,417.03 and 4,847.78 is: 7,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.62 : 20,417.03 = 4,847.78 : x
  2. Step 2: Convert to fraction form
    13,614.62/20,417.03 = 4,847.78/x
  3. Step 3: Cross multiply
    13,614.62x = 20,417.03 × 4,847.78
  4. Step 4: Simplify right side
    13,614.62x = 98,977,314.68
  5. Step 5: Solve for x
    x = 98,977,314.68/13,614.62
  6. Step 6: Final answer
    x = 7,269.93

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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.