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Finding the Fourth Proportional to 9,662.20, 14,497.62 and 6,206.20

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Solution

The fourth proportional to 9,662.20, 14,497.62 and 6,206.20 is: 9,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662.20 : 14,497.62 = 6,206.20 : x
  2. Step 2: Convert to fraction form
    9,662.20/14,497.62 = 6,206.20/x
  3. Step 3: Cross multiply
    9,662.20x = 14,497.62 × 6,206.20
  4. Step 4: Simplify right side
    9,662.20x = 89,975,129.24
  5. Step 5: Solve for x
    x = 89,975,129.24/9,662.20
  6. Step 6: Final answer
    x = 9,312.07

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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.