Home / 10,434.80-14,391.96-6,238.64

Finding the Fourth Proportional to 10,434.80, 14,391.96 and 6,238.64

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Solution

The fourth proportional to 10,434.80, 14,391.96 and 6,238.64 is: 8,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.80 : 14,391.96 = 6,238.64 : x
  2. Step 2: Convert to fraction form
    10,434.80/14,391.96 = 6,238.64/x
  3. Step 3: Cross multiply
    10,434.80x = 14,391.96 × 6,238.64
  4. Step 4: Simplify right side
    10,434.80x = 89,786,257.33
  5. Step 5: Solve for x
    x = 89,786,257.33/10,434.80
  6. Step 6: Final answer
    x = 8,604.50

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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.