Home / 13,617.99-20,424.53-3,754.82

Finding the Fourth Proportional to 13,617.99, 20,424.53 and 3,754.82

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Solution

The fourth proportional to 13,617.99, 20,424.53 and 3,754.82 is: 5,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.99 : 20,424.53 = 3,754.82 : x
  2. Step 2: Convert to fraction form
    13,617.99/20,424.53 = 3,754.82/x
  3. Step 3: Cross multiply
    13,617.99x = 20,424.53 × 3,754.82
  4. Step 4: Simplify right side
    13,617.99x = 76,690,494.18
  5. Step 5: Solve for x
    x = 76,690,494.18/13,617.99
  6. Step 6: Final answer
    x = 5,631.56

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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.