Home / 16,513.29-22,786.79-13,376.97

Finding the Fourth Proportional to 16,513.29, 22,786.79 and 13,376.97

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Solution

The fourth proportional to 16,513.29, 22,786.79 and 13,376.97 is: 18,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,513.29 : 22,786.79 = 13,376.97 : x
  2. Step 2: Convert to fraction form
    16,513.29/22,786.79 = 13,376.97/x
  3. Step 3: Cross multiply
    16,513.29x = 22,786.79 × 13,376.97
  4. Step 4: Simplify right side
    16,513.29x = 304,818,139.34
  5. Step 5: Solve for x
    x = 304,818,139.34/16,513.29
  6. Step 6: Final answer
    x = 18,458.96

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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.