Home / 11,858.52-17,788.50-7,270.68

Finding the Fourth Proportional to 11,858.52, 17,788.50 and 7,270.68

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Solution

The fourth proportional to 11,858.52, 17,788.50 and 7,270.68 is: 10,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.52 : 17,788.50 = 7,270.68 : x
  2. Step 2: Convert to fraction form
    11,858.52/17,788.50 = 7,270.68/x
  3. Step 3: Cross multiply
    11,858.52x = 17,788.50 × 7,270.68
  4. Step 4: Simplify right side
    11,858.52x = 129,334,491.18
  5. Step 5: Solve for x
    x = 129,334,491.18/11,858.52
  6. Step 6: Final answer
    x = 10,906.46

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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.