Home / 11,008.86-15,187.44-7,370.54

Finding the Fourth Proportional to 11,008.86, 15,187.44 and 7,370.54

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Solution

The fourth proportional to 11,008.86, 15,187.44 and 7,370.54 is: 10,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.86 : 15,187.44 = 7,370.54 : x
  2. Step 2: Convert to fraction form
    11,008.86/15,187.44 = 7,370.54/x
  3. Step 3: Cross multiply
    11,008.86x = 15,187.44 × 7,370.54
  4. Step 4: Simplify right side
    11,008.86x = 111,939,634.02
  5. Step 5: Solve for x
    x = 111,939,634.02/11,008.86
  6. Step 6: Final answer
    x = 10,168.14

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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.