Home / 9,020.06-13,511.46-5,310.86

Finding the Fourth Proportional to 9,020.06, 13,511.46 and 5,310.86

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Solution

The fourth proportional to 9,020.06, 13,511.46 and 5,310.86 is: 7,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.06 : 13,511.46 = 5,310.86 : x
  2. Step 2: Convert to fraction form
    9,020.06/13,511.46 = 5,310.86/x
  3. Step 3: Cross multiply
    9,020.06x = 13,511.46 × 5,310.86
  4. Step 4: Simplify right side
    9,020.06x = 71,757,472.46
  5. Step 5: Solve for x
    x = 71,757,472.46/9,020.06
  6. Step 6: Final answer
    x = 7,955.32

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Double scale
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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.