Home / 10,494.24-15,735.36-4,257.28

Finding the Fourth Proportional to 10,494.24, 15,735.36 and 4,257.28

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Solution

The fourth proportional to 10,494.24, 15,735.36 and 4,257.28 is: 6,383.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,494.24 : 15,735.36 = 4,257.28 : x
  2. Step 2: Convert to fraction form
    10,494.24/15,735.36 = 4,257.28/x
  3. Step 3: Cross multiply
    10,494.24x = 15,735.36 × 4,257.28
  4. Step 4: Simplify right side
    10,494.24x = 66,989,833.42
  5. Step 5: Solve for x
    x = 66,989,833.42/10,494.24
  6. Step 6: Final answer
    x = 6,383.49

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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.