Home / 12,935.29-19,402.39-3,701.29

Finding the Fourth Proportional to 12,935.29, 19,402.39 and 3,701.29

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Solution

The fourth proportional to 12,935.29, 19,402.39 and 3,701.29 is: 5,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.29 : 19,402.39 = 3,701.29 : x
  2. Step 2: Convert to fraction form
    12,935.29/19,402.39 = 3,701.29/x
  3. Step 3: Cross multiply
    12,935.29x = 19,402.39 × 3,701.29
  4. Step 4: Simplify right side
    12,935.29x = 71,813,872.08
  5. Step 5: Solve for x
    x = 71,813,872.08/12,935.29
  6. Step 6: Final answer
    x = 5,551.78

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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.