Home / 18,223.44-25,143.91-10,265.65

Finding the Fourth Proportional to 18,223.44, 25,143.91 and 10,265.65

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Solution

The fourth proportional to 18,223.44, 25,143.91 and 10,265.65 is: 14,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.44 : 25,143.91 = 10,265.65 : x
  2. Step 2: Convert to fraction form
    18,223.44/25,143.91 = 10,265.65/x
  3. Step 3: Cross multiply
    18,223.44x = 25,143.91 × 10,265.65
  4. Step 4: Simplify right side
    18,223.44x = 258,118,579.69
  5. Step 5: Solve for x
    x = 258,118,579.69/18,223.44
  6. Step 6: Final answer
    x = 14,164.10

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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.