Home / 16,511.45-24,768.81-5,418.18

Finding the Fourth Proportional to 16,511.45, 24,768.81 and 5,418.18

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Solution

The fourth proportional to 16,511.45, 24,768.81 and 5,418.18 is: 8,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.45 : 24,768.81 = 5,418.18 : x
  2. Step 2: Convert to fraction form
    16,511.45/24,768.81 = 5,418.18/x
  3. Step 3: Cross multiply
    16,511.45x = 24,768.81 × 5,418.18
  4. Step 4: Simplify right side
    16,511.45x = 134,201,870.97
  5. Step 5: Solve for x
    x = 134,201,870.97/16,511.45
  6. Step 6: Final answer
    x = 8,127.81

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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.