Home / 11,259.54-15,539.09-6,480.99

Finding the Fourth Proportional to 11,259.54, 15,539.09 and 6,480.99

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Solution

The fourth proportional to 11,259.54, 15,539.09 and 6,480.99 is: 8,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.54 : 15,539.09 = 6,480.99 : x
  2. Step 2: Convert to fraction form
    11,259.54/15,539.09 = 6,480.99/x
  3. Step 3: Cross multiply
    11,259.54x = 15,539.09 × 6,480.99
  4. Step 4: Simplify right side
    11,259.54x = 100,708,654.49
  5. Step 5: Solve for x
    x = 100,708,654.49/11,259.54
  6. Step 6: Final answer
    x = 8,944.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.