Home / 16,219.35-22,382.87-9,508.95

Finding the Fourth Proportional to 16,219.35, 22,382.87 and 9,508.95

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Solution

The fourth proportional to 16,219.35, 22,382.87 and 9,508.95 is: 13,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.35 : 22,382.87 = 9,508.95 : x
  2. Step 2: Convert to fraction form
    16,219.35/22,382.87 = 9,508.95/x
  3. Step 3: Cross multiply
    16,219.35x = 22,382.87 × 9,508.95
  4. Step 4: Simplify right side
    16,219.35x = 212,837,544.14
  5. Step 5: Solve for x
    x = 212,837,544.14/16,219.35
  6. Step 6: Final answer
    x = 13,122.45

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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.