Home / 18,223.07-25,147.26-10,265.12

Finding the Fourth Proportional to 18,223.07, 25,147.26 and 10,265.12

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Solution

The fourth proportional to 18,223.07, 25,147.26 and 10,265.12 is: 14,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.07 : 25,147.26 = 10,265.12 : x
  2. Step 2: Convert to fraction form
    18,223.07/25,147.26 = 10,265.12/x
  3. Step 3: Cross multiply
    18,223.07x = 25,147.26 × 10,265.12
  4. Step 4: Simplify right side
    18,223.07x = 258,139,515.83
  5. Step 5: Solve for x
    x = 258,139,515.83/18,223.07
  6. Step 6: Final answer
    x = 14,165.54

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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.