Home / 9,054.12-13,544.82-7,834.80

Finding the Fourth Proportional to 9,054.12, 13,544.82 and 7,834.80

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Solution

The fourth proportional to 9,054.12, 13,544.82 and 7,834.80 is: 11,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.12 : 13,544.82 = 7,834.80 : x
  2. Step 2: Convert to fraction form
    9,054.12/13,544.82 = 7,834.80/x
  3. Step 3: Cross multiply
    9,054.12x = 13,544.82 × 7,834.80
  4. Step 4: Simplify right side
    9,054.12x = 106,120,955.74
  5. Step 5: Solve for x
    x = 106,120,955.74/9,054.12
  6. Step 6: Final answer
    x = 11,720.74

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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.