Home / 16,889.74-23,314.41-15,118.27

Finding the Fourth Proportional to 16,889.74, 23,314.41 and 15,118.27

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Solution

The fourth proportional to 16,889.74, 23,314.41 and 15,118.27 is: 20,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.74 : 23,314.41 = 15,118.27 : x
  2. Step 2: Convert to fraction form
    16,889.74/23,314.41 = 15,118.27/x
  3. Step 3: Cross multiply
    16,889.74x = 23,314.41 × 15,118.27
  4. Step 4: Simplify right side
    16,889.74x = 352,473,486.98
  5. Step 5: Solve for x
    x = 352,473,486.98/16,889.74
  6. Step 6: Final answer
    x = 20,869.09

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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.