Home / 9,511.20-14,250.60-7,858.80

Finding the Fourth Proportional to 9,511.20, 14,250.60 and 7,858.80

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Solution

The fourth proportional to 9,511.20, 14,250.60 and 7,858.80 is: 11,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.20 : 14,250.60 = 7,858.80 : x
  2. Step 2: Convert to fraction form
    9,511.20/14,250.60 = 7,858.80/x
  3. Step 3: Cross multiply
    9,511.20x = 14,250.60 × 7,858.80
  4. Step 4: Simplify right side
    9,511.20x = 111,992,615.28
  5. Step 5: Solve for x
    x = 111,992,615.28/9,511.20
  6. Step 6: Final answer
    x = 11,774.81

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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.