Home / 9,261.12-13,891.74-2,687.40

Finding the Fourth Proportional to 9,261.12, 13,891.74 and 2,687.40

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Solution

The fourth proportional to 9,261.12, 13,891.74 and 2,687.40 is: 4,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.12 : 13,891.74 = 2,687.40 : x
  2. Step 2: Convert to fraction form
    9,261.12/13,891.74 = 2,687.40/x
  3. Step 3: Cross multiply
    9,261.12x = 13,891.74 × 2,687.40
  4. Step 4: Simplify right side
    9,261.12x = 37,332,662.08
  5. Step 5: Solve for x
    x = 37,332,662.08/9,261.12
  6. Step 6: Final answer
    x = 4,031.12

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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.