Home / 16,511.02-22,780.23-10,131.06

Finding the Fourth Proportional to 16,511.02, 22,780.23 and 10,131.06

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Solution

The fourth proportional to 16,511.02, 22,780.23 and 10,131.06 is: 13,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.02 : 22,780.23 = 10,131.06 : x
  2. Step 2: Convert to fraction form
    16,511.02/22,780.23 = 10,131.06/x
  3. Step 3: Cross multiply
    16,511.02x = 22,780.23 × 10,131.06
  4. Step 4: Simplify right side
    16,511.02x = 230,787,876.94
  5. Step 5: Solve for x
    x = 230,787,876.94/16,511.02
  6. Step 6: Final answer
    x = 13,977.81

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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.