Home / 15,906.06-21,946.41-8,830.71

Finding the Fourth Proportional to 15,906.06, 21,946.41 and 8,830.71

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Solution

The fourth proportional to 15,906.06, 21,946.41 and 8,830.71 is: 12,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.06 : 21,946.41 = 8,830.71 : x
  2. Step 2: Convert to fraction form
    15,906.06/21,946.41 = 8,830.71/x
  3. Step 3: Cross multiply
    15,906.06x = 21,946.41 × 8,830.71
  4. Step 4: Simplify right side
    15,906.06x = 193,802,382.25
  5. Step 5: Solve for x
    x = 193,802,382.25/15,906.06
  6. Step 6: Final answer
    x = 12,184.19

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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.