Home / 18,243.17-25,175.53-10,285.34

Finding the Fourth Proportional to 18,243.17, 25,175.53 and 10,285.34

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Solution

The fourth proportional to 18,243.17, 25,175.53 and 10,285.34 is: 14,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.17 : 25,175.53 = 10,285.34 : x
  2. Step 2: Convert to fraction form
    18,243.17/25,175.53 = 10,285.34/x
  3. Step 3: Cross multiply
    18,243.17x = 25,175.53 × 10,285.34
  4. Step 4: Simplify right side
    18,243.17x = 258,938,759.85
  5. Step 5: Solve for x
    x = 258,938,759.85/18,243.17
  6. Step 6: Final answer
    x = 14,193.74

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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.