Home / 15,390.02-23,076.75-7,976.09

Finding the Fourth Proportional to 15,390.02, 23,076.75 and 7,976.09

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Solution

The fourth proportional to 15,390.02, 23,076.75 and 7,976.09 is: 11,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.02 : 23,076.75 = 7,976.09 : x
  2. Step 2: Convert to fraction form
    15,390.02/23,076.75 = 7,976.09/x
  3. Step 3: Cross multiply
    15,390.02x = 23,076.75 × 7,976.09
  4. Step 4: Simplify right side
    15,390.02x = 184,062,234.91
  5. Step 5: Solve for x
    x = 184,062,234.91/15,390.02
  6. Step 6: Final answer
    x = 11,959.84

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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.