Home / 9,858.30-14,775.90-7,660.36

Finding the Fourth Proportional to 9,858.30, 14,775.90 and 7,660.36

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Solution

The fourth proportional to 9,858.30, 14,775.90 and 7,660.36 is: 11,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.30 : 14,775.90 = 7,660.36 : x
  2. Step 2: Convert to fraction form
    9,858.30/14,775.90 = 7,660.36/x
  3. Step 3: Cross multiply
    9,858.30x = 14,775.90 × 7,660.36
  4. Step 4: Simplify right side
    9,858.30x = 113,188,713.32
  5. Step 5: Solve for x
    x = 113,188,713.32/9,858.30
  6. Step 6: Final answer
    x = 11,481.57

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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.