Home / 10,829.24-14,945.21-8,609.43

Finding the Fourth Proportional to 10,829.24, 14,945.21 and 8,609.43

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Solution

The fourth proportional to 10,829.24, 14,945.21 and 8,609.43 is: 11,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.24 : 14,945.21 = 8,609.43 : x
  2. Step 2: Convert to fraction form
    10,829.24/14,945.21 = 8,609.43/x
  3. Step 3: Cross multiply
    10,829.24x = 14,945.21 × 8,609.43
  4. Step 4: Simplify right side
    10,829.24x = 128,669,760.85
  5. Step 5: Solve for x
    x = 128,669,760.85/10,829.24
  6. Step 6: Final answer
    x = 11,881.70

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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.