Home / 15,899.54-21,941.73-8,826.41

Finding the Fourth Proportional to 15,899.54, 21,941.73 and 8,826.41

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Solution

The fourth proportional to 15,899.54, 21,941.73 and 8,826.41 is: 12,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.54 : 21,941.73 = 8,826.41 : x
  2. Step 2: Convert to fraction form
    15,899.54/21,941.73 = 8,826.41/x
  3. Step 3: Cross multiply
    15,899.54x = 21,941.73 × 8,826.41
  4. Step 4: Simplify right side
    15,899.54x = 193,666,759.94
  5. Step 5: Solve for x
    x = 193,666,759.94/15,899.54
  6. Step 6: Final answer
    x = 12,180.66

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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.