Home / 18,880.39-26,055.30-10,382.91

Finding the Fourth Proportional to 18,880.39, 26,055.30 and 10,382.91

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Solution

The fourth proportional to 18,880.39, 26,055.30 and 10,382.91 is: 14,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.39 : 26,055.30 = 10,382.91 : x
  2. Step 2: Convert to fraction form
    18,880.39/26,055.30 = 10,382.91/x
  3. Step 3: Cross multiply
    18,880.39x = 26,055.30 × 10,382.91
  4. Step 4: Simplify right side
    18,880.39x = 270,529,834.92
  5. Step 5: Solve for x
    x = 270,529,834.92/18,880.39
  6. Step 6: Final answer
    x = 14,328.61

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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.