Home / 11,035.91-15,227.80-7,260.60

Finding the Fourth Proportional to 11,035.91, 15,227.80 and 7,260.60

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Solution

The fourth proportional to 11,035.91, 15,227.80 and 7,260.60 is: 10,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.91 : 15,227.80 = 7,260.60 : x
  2. Step 2: Convert to fraction form
    11,035.91/15,227.80 = 7,260.60/x
  3. Step 3: Cross multiply
    11,035.91x = 15,227.80 × 7,260.60
  4. Step 4: Simplify right side
    11,035.91x = 110,563,003.63
  5. Step 5: Solve for x
    x = 110,563,003.63/11,035.91
  6. Step 6: Final answer
    x = 10,018.47

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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.