Home / 18,220.57-25,144.28-10,265.36

Finding the Fourth Proportional to 18,220.57, 25,144.28 and 10,265.36

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Solution

The fourth proportional to 18,220.57, 25,144.28 and 10,265.36 is: 14,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.57 : 25,144.28 = 10,265.36 : x
  2. Step 2: Convert to fraction form
    18,220.57/25,144.28 = 10,265.36/x
  3. Step 3: Cross multiply
    18,220.57x = 25,144.28 × 10,265.36
  4. Step 4: Simplify right side
    18,220.57x = 258,115,117.90
  5. Step 5: Solve for x
    x = 258,115,117.90/18,220.57
  6. Step 6: Final answer
    x = 14,166.14

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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.