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Finding the Fourth Proportional to 9,445.18, 13,034 and 5,253.34

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Solution

The fourth proportional to 9,445.18, 13,034 and 5,253.34 is: 7,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.18 : 13,034 = 5,253.34 : x
  2. Step 2: Convert to fraction form
    9,445.18/13,034 = 5,253.34/x
  3. Step 3: Cross multiply
    9,445.18x = 13,034 × 5,253.34
  4. Step 4: Simplify right side
    9,445.18x = 68,472,033.56
  5. Step 5: Solve for x
    x = 68,472,033.56/9,445.18
  6. Step 6: Final answer
    x = 7,249.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.