Home / 9,186.80-12,662.36-7,032.60

Finding the Fourth Proportional to 9,186.80, 12,662.36 and 7,032.60

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Solution

The fourth proportional to 9,186.80, 12,662.36 and 7,032.60 is: 9,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.80 : 12,662.36 = 7,032.60 : x
  2. Step 2: Convert to fraction form
    9,186.80/12,662.36 = 7,032.60/x
  3. Step 3: Cross multiply
    9,186.80x = 12,662.36 × 7,032.60
  4. Step 4: Simplify right side
    9,186.80x = 89,049,304.15
  5. Step 5: Solve for x
    x = 89,049,304.15/9,186.80
  6. Step 6: Final answer
    x = 9,693.19

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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.