Home / 18,241.76-25,172.12-10,285.94

Finding the Fourth Proportional to 18,241.76, 25,172.12 and 10,285.94

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Solution

The fourth proportional to 18,241.76, 25,172.12 and 10,285.94 is: 14,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.76 : 25,172.12 = 10,285.94 : x
  2. Step 2: Convert to fraction form
    18,241.76/25,172.12 = 10,285.94/x
  3. Step 3: Cross multiply
    18,241.76x = 25,172.12 × 10,285.94
  4. Step 4: Simplify right side
    18,241.76x = 258,918,915.99
  5. Step 5: Solve for x
    x = 258,918,915.99/18,241.76
  6. Step 6: Final answer
    x = 14,193.75

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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.