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Finding the Fourth Proportional to 9,995.38, 14,993.14 and 3,421.62

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Solution

The fourth proportional to 9,995.38, 14,993.14 and 3,421.62 is: 5,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.38 : 14,993.14 = 3,421.62 : x
  2. Step 2: Convert to fraction form
    9,995.38/14,993.14 = 3,421.62/x
  3. Step 3: Cross multiply
    9,995.38x = 14,993.14 × 3,421.62
  4. Step 4: Simplify right side
    9,995.38x = 51,300,827.69
  5. Step 5: Solve for x
    x = 51,300,827.69/9,995.38
  6. Step 6: Final answer
    x = 5,132.45

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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.