Home / 9,414.14-12,991.66-5,435.60

Finding the Fourth Proportional to 9,414.14, 12,991.66 and 5,435.60

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Solution

The fourth proportional to 9,414.14, 12,991.66 and 5,435.60 is: 7,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.14 : 12,991.66 = 5,435.60 : x
  2. Step 2: Convert to fraction form
    9,414.14/12,991.66 = 5,435.60/x
  3. Step 3: Cross multiply
    9,414.14x = 12,991.66 × 5,435.60
  4. Step 4: Simplify right side
    9,414.14x = 70,617,388.55
  5. Step 5: Solve for x
    x = 70,617,388.55/9,414.14
  6. Step 6: Final answer
    x = 7,501.21

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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.