Home / 13,568.77-18,727.37-8,852.95

Finding the Fourth Proportional to 13,568.77, 18,727.37 and 8,852.95

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Solution

The fourth proportional to 13,568.77, 18,727.37 and 8,852.95 is: 12,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.77 : 18,727.37 = 8,852.95 : x
  2. Step 2: Convert to fraction form
    13,568.77/18,727.37 = 8,852.95/x
  3. Step 3: Cross multiply
    13,568.77x = 18,727.37 × 8,852.95
  4. Step 4: Simplify right side
    13,568.77x = 165,792,470.24
  5. Step 5: Solve for x
    x = 165,792,470.24/13,568.77
  6. Step 6: Final answer
    x = 12,218.68

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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.