Home / 18,880.15-26,054.92-10,382.65

Finding the Fourth Proportional to 18,880.15, 26,054.92 and 10,382.65

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Solution

The fourth proportional to 18,880.15, 26,054.92 and 10,382.65 is: 14,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.15 : 26,054.92 = 10,382.65 : x
  2. Step 2: Convert to fraction form
    18,880.15/26,054.92 = 10,382.65/x
  3. Step 3: Cross multiply
    18,880.15x = 26,054.92 × 10,382.65
  4. Step 4: Simplify right side
    18,880.15x = 270,519,115.14
  5. Step 5: Solve for x
    x = 270,519,115.14/18,880.15
  6. Step 6: Final answer
    x = 14,328.23

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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.