Home / 10,889.22-16,313.23-6,433.56

Finding the Fourth Proportional to 10,889.22, 16,313.23 and 6,433.56

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Solution

The fourth proportional to 10,889.22, 16,313.23 and 6,433.56 is: 9,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.22 : 16,313.23 = 6,433.56 : x
  2. Step 2: Convert to fraction form
    10,889.22/16,313.23 = 6,433.56/x
  3. Step 3: Cross multiply
    10,889.22x = 16,313.23 × 6,433.56
  4. Step 4: Simplify right side
    10,889.22x = 104,952,144.00
  5. Step 5: Solve for x
    x = 104,952,144.00/10,889.22
  6. Step 6: Final answer
    x = 9,638.17

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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.