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Finding the Fourth Proportional to 22,609.65, 33,908.40 and 9,459.30

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Solution

The fourth proportional to 22,609.65, 33,908.40 and 9,459.30 is: 14,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.65 : 33,908.40 = 9,459.30 : x
  2. Step 2: Convert to fraction form
    22,609.65/33,908.40 = 9,459.30/x
  3. Step 3: Cross multiply
    22,609.65x = 33,908.40 × 9,459.30
  4. Step 4: Simplify right side
    22,609.65x = 320,749,728.12
  5. Step 5: Solve for x
    x = 320,749,728.12/22,609.65
  6. Step 6: Final answer
    x = 14,186.41

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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.