Home / 11,112.24-16,670.52-5,192.76

Finding the Fourth Proportional to 11,112.24, 16,670.52 and 5,192.76

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Solution

The fourth proportional to 11,112.24, 16,670.52 and 5,192.76 is: 7,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.24 : 16,670.52 = 5,192.76 : x
  2. Step 2: Convert to fraction form
    11,112.24/16,670.52 = 5,192.76/x
  3. Step 3: Cross multiply
    11,112.24x = 16,670.52 × 5,192.76
  4. Step 4: Simplify right side
    11,112.24x = 86,566,009.44
  5. Step 5: Solve for x
    x = 86,566,009.44/11,112.24
  6. Step 6: Final answer
    x = 7,790.15

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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.