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Finding the Fourth Proportional to 9,087.88, 13,641.36 and 8,054.50

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Solution

The fourth proportional to 9,087.88, 13,641.36 and 8,054.50 is: 12,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.88 : 13,641.36 = 8,054.50 : x
  2. Step 2: Convert to fraction form
    9,087.88/13,641.36 = 8,054.50/x
  3. Step 3: Cross multiply
    9,087.88x = 13,641.36 × 8,054.50
  4. Step 4: Simplify right side
    9,087.88x = 109,874,334.12
  5. Step 5: Solve for x
    x = 109,874,334.12/9,087.88
  6. Step 6: Final answer
    x = 12,090.21

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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.