Home / 11,688.26-17,532.40-3,480.26

Finding the Fourth Proportional to 11,688.26, 17,532.40 and 3,480.26

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Solution

The fourth proportional to 11,688.26, 17,532.40 and 3,480.26 is: 5,220.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.26 : 17,532.40 = 3,480.26 : x
  2. Step 2: Convert to fraction form
    11,688.26/17,532.40 = 3,480.26/x
  3. Step 3: Cross multiply
    11,688.26x = 17,532.40 × 3,480.26
  4. Step 4: Simplify right side
    11,688.26x = 61,017,310.42
  5. Step 5: Solve for x
    x = 61,017,310.42/11,688.26
  6. Step 6: Final answer
    x = 5,220.39

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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.