Home / 18,340.75-25,312.26-10,382.91

Finding the Fourth Proportional to 18,340.75, 25,312.26 and 10,382.91

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Solution

The fourth proportional to 18,340.75, 25,312.26 and 10,382.91 is: 14,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.75 : 25,312.26 = 10,382.91 : x
  2. Step 2: Convert to fraction form
    18,340.75/25,312.26 = 10,382.91/x
  3. Step 3: Cross multiply
    18,340.75x = 25,312.26 × 10,382.91
  4. Step 4: Simplify right side
    18,340.75x = 262,814,917.48
  5. Step 5: Solve for x
    x = 262,814,917.48/18,340.75
  6. Step 6: Final answer
    x = 14,329.56

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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.