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Finding the Fourth Proportional to 9,300.60, 13,933.08 and 8,987.94

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Solution

The fourth proportional to 9,300.60, 13,933.08 and 8,987.94 is: 13,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,300.60 : 13,933.08 = 8,987.94 : x
  2. Step 2: Convert to fraction form
    9,300.60/13,933.08 = 8,987.94/x
  3. Step 3: Cross multiply
    9,300.60x = 13,933.08 × 8,987.94
  4. Step 4: Simplify right side
    9,300.60x = 125,229,687.06
  5. Step 5: Solve for x
    x = 125,229,687.06/9,300.60
  6. Step 6: Final answer
    x = 13,464.69

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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.