Home / 10,971.05-16,447.31-4,393.63

Finding the Fourth Proportional to 10,971.05, 16,447.31 and 4,393.63

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Solution

The fourth proportional to 10,971.05, 16,447.31 and 4,393.63 is: 6,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.05 : 16,447.31 = 4,393.63 : x
  2. Step 2: Convert to fraction form
    10,971.05/16,447.31 = 4,393.63/x
  3. Step 3: Cross multiply
    10,971.05x = 16,447.31 × 4,393.63
  4. Step 4: Simplify right side
    10,971.05x = 72,263,372.67
  5. Step 5: Solve for x
    x = 72,263,372.67/10,971.05
  6. Step 6: Final answer
    x = 6,586.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.