Home / 10,209.43-14,090.32-6,229.70

Finding the Fourth Proportional to 10,209.43, 14,090.32 and 6,229.70

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Solution

The fourth proportional to 10,209.43, 14,090.32 and 6,229.70 is: 8,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.43 : 14,090.32 = 6,229.70 : x
  2. Step 2: Convert to fraction form
    10,209.43/14,090.32 = 6,229.70/x
  3. Step 3: Cross multiply
    10,209.43x = 14,090.32 × 6,229.70
  4. Step 4: Simplify right side
    10,209.43x = 87,778,466.50
  5. Step 5: Solve for x
    x = 87,778,466.50/10,209.43
  6. Step 6: Final answer
    x = 8,597.78

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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.