Home / 8,826.23-13,287.42-7,620.95

Finding the Fourth Proportional to 8,826.23, 13,287.42 and 7,620.95

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Solution

The fourth proportional to 8,826.23, 13,287.42 and 7,620.95 is: 11,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.23 : 13,287.42 = 7,620.95 : x
  2. Step 2: Convert to fraction form
    8,826.23/13,287.42 = 7,620.95/x
  3. Step 3: Cross multiply
    8,826.23x = 13,287.42 × 7,620.95
  4. Step 4: Simplify right side
    8,826.23x = 101,262,725.59
  5. Step 5: Solve for x
    x = 101,262,725.59/8,826.23
  6. Step 6: Final answer
    x = 11,472.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.