Home / 10,380.24-14,324.76-6,188.40

Finding the Fourth Proportional to 10,380.24, 14,324.76 and 6,188.40

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Solution

The fourth proportional to 10,380.24, 14,324.76 and 6,188.40 is: 8,540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.24 : 14,324.76 = 6,188.40 : x
  2. Step 2: Convert to fraction form
    10,380.24/14,324.76 = 6,188.40/x
  3. Step 3: Cross multiply
    10,380.24x = 14,324.76 × 6,188.40
  4. Step 4: Simplify right side
    10,380.24x = 88,647,344.78
  5. Step 5: Solve for x
    x = 88,647,344.78/10,380.24
  6. Step 6: Final answer
    x = 8,540.01

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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.