Home / 13,049.21-19,570.31-3,687.02

Finding the Fourth Proportional to 13,049.21, 19,570.31 and 3,687.02

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Solution

The fourth proportional to 13,049.21, 19,570.31 and 3,687.02 is: 5,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.21 : 19,570.31 = 3,687.02 : x
  2. Step 2: Convert to fraction form
    13,049.21/19,570.31 = 3,687.02/x
  3. Step 3: Cross multiply
    13,049.21x = 19,570.31 × 3,687.02
  4. Step 4: Simplify right side
    13,049.21x = 72,156,226.13
  5. Step 5: Solve for x
    x = 72,156,226.13/13,049.21
  6. Step 6: Final answer
    x = 5,529.55

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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.