Home / 10,102.26-15,157.74-3,864.15

Finding the Fourth Proportional to 10,102.26, 15,157.74 and 3,864.15

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Solution

The fourth proportional to 10,102.26, 15,157.74 and 3,864.15 is: 5,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.26 : 15,157.74 = 3,864.15 : x
  2. Step 2: Convert to fraction form
    10,102.26/15,157.74 = 3,864.15/x
  3. Step 3: Cross multiply
    10,102.26x = 15,157.74 × 3,864.15
  4. Step 4: Simplify right side
    10,102.26x = 58,571,781.02
  5. Step 5: Solve for x
    x = 58,571,781.02/10,102.26
  6. Step 6: Final answer
    x = 5,797.89

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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.