Home / 15,998.78-23,997.31-4,905.52

Finding the Fourth Proportional to 15,998.78, 23,997.31 and 4,905.52

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Solution

The fourth proportional to 15,998.78, 23,997.31 and 4,905.52 is: 7,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.78 : 23,997.31 = 4,905.52 : x
  2. Step 2: Convert to fraction form
    15,998.78/23,997.31 = 4,905.52/x
  3. Step 3: Cross multiply
    15,998.78x = 23,997.31 × 4,905.52
  4. Step 4: Simplify right side
    15,998.78x = 117,719,211.89
  5. Step 5: Solve for x
    x = 117,719,211.89/15,998.78
  6. Step 6: Final answer
    x = 7,358.01

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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.