Home / 9,146.36-13,685.52-5,450.60

Finding the Fourth Proportional to 9,146.36, 13,685.52 and 5,450.60

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Solution

The fourth proportional to 9,146.36, 13,685.52 and 5,450.60 is: 8,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.36 : 13,685.52 = 5,450.60 : x
  2. Step 2: Convert to fraction form
    9,146.36/13,685.52 = 5,450.60/x
  3. Step 3: Cross multiply
    9,146.36x = 13,685.52 × 5,450.60
  4. Step 4: Simplify right side
    9,146.36x = 74,594,295.31
  5. Step 5: Solve for x
    x = 74,594,295.31/9,146.36
  6. Step 6: Final answer
    x = 8,155.63

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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.