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Finding the Fourth Proportional to 9,798.62, 14,693.66 and 3,556.55

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Solution

The fourth proportional to 9,798.62, 14,693.66 and 3,556.55 is: 5,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.62 : 14,693.66 = 3,556.55 : x
  2. Step 2: Convert to fraction form
    9,798.62/14,693.66 = 3,556.55/x
  3. Step 3: Cross multiply
    9,798.62x = 14,693.66 × 3,556.55
  4. Step 4: Simplify right side
    9,798.62x = 52,258,736.47
  5. Step 5: Solve for x
    x = 52,258,736.47/9,798.62
  6. Step 6: Final answer
    x = 5,333.28

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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.