Home / 14,371.91-19,836.74-13,545.71

Finding the Fourth Proportional to 14,371.91, 19,836.74 and 13,545.71

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Solution

The fourth proportional to 14,371.91, 19,836.74 and 13,545.71 is: 18,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.91 : 19,836.74 = 13,545.71 : x
  2. Step 2: Convert to fraction form
    14,371.91/19,836.74 = 13,545.71/x
  3. Step 3: Cross multiply
    14,371.91x = 19,836.74 × 13,545.71
  4. Step 4: Simplify right side
    14,371.91x = 268,702,659.66
  5. Step 5: Solve for x
    x = 268,702,659.66/14,371.91
  6. Step 6: Final answer
    x = 18,696.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.