Home / 9,401.80-14,102.70-8,636.35

Finding the Fourth Proportional to 9,401.80, 14,102.70 and 8,636.35

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Solution

The fourth proportional to 9,401.80, 14,102.70 and 8,636.35 is: 12,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.80 : 14,102.70 = 8,636.35 : x
  2. Step 2: Convert to fraction form
    9,401.80/14,102.70 = 8,636.35/x
  3. Step 3: Cross multiply
    9,401.80x = 14,102.70 × 8,636.35
  4. Step 4: Simplify right side
    9,401.80x = 121,795,853.15
  5. Step 5: Solve for x
    x = 121,795,853.15/9,401.80
  6. Step 6: Final answer
    x = 12,954.53

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Similar ratio
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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.