Home / 11,260.40-15,539.95-6,481.07

Finding the Fourth Proportional to 11,260.40, 15,539.95 and 6,481.07

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Solution

The fourth proportional to 11,260.40, 15,539.95 and 6,481.07 is: 8,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.40 : 15,539.95 = 6,481.07 : x
  2. Step 2: Convert to fraction form
    11,260.40/15,539.95 = 6,481.07/x
  3. Step 3: Cross multiply
    11,260.40x = 15,539.95 × 6,481.07
  4. Step 4: Simplify right side
    11,260.40x = 100,715,536.13
  5. Step 5: Solve for x
    x = 100,715,536.13/11,260.40
  6. Step 6: Final answer
    x = 8,944.22

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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.