Home / 10,553.14-15,825.21-3,157.48

Finding the Fourth Proportional to 10,553.14, 15,825.21 and 3,157.48

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Solution

The fourth proportional to 10,553.14, 15,825.21 and 3,157.48 is: 4,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.14 : 15,825.21 = 3,157.48 : x
  2. Step 2: Convert to fraction form
    10,553.14/15,825.21 = 3,157.48/x
  3. Step 3: Cross multiply
    10,553.14x = 15,825.21 × 3,157.48
  4. Step 4: Simplify right side
    10,553.14x = 49,967,784.07
  5. Step 5: Solve for x
    x = 49,967,784.07/10,553.14
  6. Step 6: Final answer
    x = 4,734.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.