Home / 16,772.71-23,146.57-9,219.77

Finding the Fourth Proportional to 16,772.71, 23,146.57 and 9,219.77

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Solution

The fourth proportional to 16,772.71, 23,146.57 and 9,219.77 is: 12,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.71 : 23,146.57 = 9,219.77 : x
  2. Step 2: Convert to fraction form
    16,772.71/23,146.57 = 9,219.77/x
  3. Step 3: Cross multiply
    16,772.71x = 23,146.57 × 9,219.77
  4. Step 4: Simplify right side
    16,772.71x = 213,405,935.96
  5. Step 5: Solve for x
    x = 213,405,935.96/16,772.71
  6. Step 6: Final answer
    x = 12,723.41

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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.