Home / 13,337.87-20,007.96-3,477.13

Finding the Fourth Proportional to 13,337.87, 20,007.96 and 3,477.13

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Solution

The fourth proportional to 13,337.87, 20,007.96 and 3,477.13 is: 5,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.87 : 20,007.96 = 3,477.13 : x
  2. Step 2: Convert to fraction form
    13,337.87/20,007.96 = 3,477.13/x
  3. Step 3: Cross multiply
    13,337.87x = 20,007.96 × 3,477.13
  4. Step 4: Simplify right side
    13,337.87x = 69,570,234.45
  5. Step 5: Solve for x
    x = 69,570,234.45/13,337.87
  6. Step 6: Final answer
    x = 5,215.99

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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.