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Finding the Fourth Proportional to 13,751.10, 20,623.05 and 9,367.74

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Solution

The fourth proportional to 13,751.10, 20,623.05 and 9,367.74 is: 14,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.10 : 20,623.05 = 9,367.74 : x
  2. Step 2: Convert to fraction form
    13,751.10/20,623.05 = 9,367.74/x
  3. Step 3: Cross multiply
    13,751.10x = 20,623.05 × 9,367.74
  4. Step 4: Simplify right side
    13,751.10x = 193,191,370.41
  5. Step 5: Solve for x
    x = 193,191,370.41/13,751.10
  6. Step 6: Final answer
    x = 14,049.16

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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.