Home / 18,382.68-25,366.77-11,309.22

Finding the Fourth Proportional to 18,382.68, 25,366.77 and 11,309.22

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Solution

The fourth proportional to 18,382.68, 25,366.77 and 11,309.22 is: 15,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.68 : 25,366.77 = 11,309.22 : x
  2. Step 2: Convert to fraction form
    18,382.68/25,366.77 = 11,309.22/x
  3. Step 3: Cross multiply
    18,382.68x = 25,366.77 × 11,309.22
  4. Step 4: Simplify right side
    18,382.68x = 286,878,382.62
  5. Step 5: Solve for x
    x = 286,878,382.62/18,382.68
  6. Step 6: Final answer
    x = 15,605.91

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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.