Home / 10,311.28-14,241.36-6,790.24

Finding the Fourth Proportional to 10,311.28, 14,241.36 and 6,790.24

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Solution

The fourth proportional to 10,311.28, 14,241.36 and 6,790.24 is: 9,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.28 : 14,241.36 = 6,790.24 : x
  2. Step 2: Convert to fraction form
    10,311.28/14,241.36 = 6,790.24/x
  3. Step 3: Cross multiply
    10,311.28x = 14,241.36 × 6,790.24
  4. Step 4: Simplify right side
    10,311.28x = 96,702,252.33
  5. Step 5: Solve for x
    x = 96,702,252.33/10,311.28
  6. Step 6: Final answer
    x = 9,378.30

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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.