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Finding the Fourth Proportional to 11,632.27, 16,059.11 and 8,901.68

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Solution

The fourth proportional to 11,632.27, 16,059.11 and 8,901.68 is: 12,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,632.27 : 16,059.11 = 8,901.68 : x
  2. Step 2: Convert to fraction form
    11,632.27/16,059.11 = 8,901.68/x
  3. Step 3: Cross multiply
    11,632.27x = 16,059.11 × 8,901.68
  4. Step 4: Simplify right side
    11,632.27x = 142,953,058.30
  5. Step 5: Solve for x
    x = 142,953,058.30/11,632.27
  6. Step 6: Final answer
    x = 12,289.35

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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.