Home / 13,238.17-19,857.22-3,377.39

Finding the Fourth Proportional to 13,238.17, 19,857.22 and 3,377.39

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Solution

The fourth proportional to 13,238.17, 19,857.22 and 3,377.39 is: 5,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.17 : 19,857.22 = 3,377.39 : x
  2. Step 2: Convert to fraction form
    13,238.17/19,857.22 = 3,377.39/x
  3. Step 3: Cross multiply
    13,238.17x = 19,857.22 × 3,377.39
  4. Step 4: Simplify right side
    13,238.17x = 67,065,468.53
  5. Step 5: Solve for x
    x = 67,065,468.53/13,238.17
  6. Step 6: Final answer
    x = 5,066.07

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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.