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Finding the Fourth Proportional to 9,010.70, 13,516.05 and 5,122.70

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Solution

The fourth proportional to 9,010.70, 13,516.05 and 5,122.70 is: 7,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.70 : 13,516.05 = 5,122.70 : x
  2. Step 2: Convert to fraction form
    9,010.70/13,516.05 = 5,122.70/x
  3. Step 3: Cross multiply
    9,010.70x = 13,516.05 × 5,122.70
  4. Step 4: Simplify right side
    9,010.70x = 69,238,669.34
  5. Step 5: Solve for x
    x = 69,238,669.34/9,010.70
  6. Step 6: Final answer
    x = 7,684.05

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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.