Home / 10,223.81-15,331.79-3,983.01

Finding the Fourth Proportional to 10,223.81, 15,331.79 and 3,983.01

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Solution

The fourth proportional to 10,223.81, 15,331.79 and 3,983.01 is: 5,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.81 : 15,331.79 = 3,983.01 : x
  2. Step 2: Convert to fraction form
    10,223.81/15,331.79 = 3,983.01/x
  3. Step 3: Cross multiply
    10,223.81x = 15,331.79 × 3,983.01
  4. Step 4: Simplify right side
    10,223.81x = 61,066,625.35
  5. Step 5: Solve for x
    x = 61,066,625.35/10,223.81
  6. Step 6: Final answer
    x = 5,972.98

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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.