Home / 10,213.86-14,093.46-6,430.44

Finding the Fourth Proportional to 10,213.86, 14,093.46 and 6,430.44

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Solution

The fourth proportional to 10,213.86, 14,093.46 and 6,430.44 is: 8,872.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.86 : 14,093.46 = 6,430.44 : x
  2. Step 2: Convert to fraction form
    10,213.86/14,093.46 = 6,430.44/x
  3. Step 3: Cross multiply
    10,213.86x = 14,093.46 × 6,430.44
  4. Step 4: Simplify right side
    10,213.86x = 90,627,148.92
  5. Step 5: Solve for x
    x = 90,627,148.92/10,213.86
  6. Step 6: Final answer
    x = 8,872.96

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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.