Home / 18,279.63-25,224.36-10,725.15

Finding the Fourth Proportional to 18,279.63, 25,224.36 and 10,725.15

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Solution

The fourth proportional to 18,279.63, 25,224.36 and 10,725.15 is: 14,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.63 : 25,224.36 = 10,725.15 : x
  2. Step 2: Convert to fraction form
    18,279.63/25,224.36 = 10,725.15/x
  3. Step 3: Cross multiply
    18,279.63x = 25,224.36 × 10,725.15
  4. Step 4: Simplify right side
    18,279.63x = 270,535,044.65
  5. Step 5: Solve for x
    x = 270,535,044.65/18,279.63
  6. Step 6: Final answer
    x = 14,799.81

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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.