Home / 9,316.80-13,975.19-2,391.30

Finding the Fourth Proportional to 9,316.80, 13,975.19 and 2,391.30

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Solution

The fourth proportional to 9,316.80, 13,975.19 and 2,391.30 is: 3,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.80 : 13,975.19 = 2,391.30 : x
  2. Step 2: Convert to fraction form
    9,316.80/13,975.19 = 2,391.30/x
  3. Step 3: Cross multiply
    9,316.80x = 13,975.19 × 2,391.30
  4. Step 4: Simplify right side
    9,316.80x = 33,418,871.85
  5. Step 5: Solve for x
    x = 33,418,871.85/9,316.80
  6. Step 6: Final answer
    x = 3,586.95

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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.