Home / 10,239.08-15,361.86-5,621

Finding the Fourth Proportional to 10,239.08, 15,361.86 and 5,621

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Solution

The fourth proportional to 10,239.08, 15,361.86 and 5,621 is: 8,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.08 : 15,361.86 = 5,621 : x
  2. Step 2: Convert to fraction form
    10,239.08/15,361.86 = 5,621/x
  3. Step 3: Cross multiply
    10,239.08x = 15,361.86 × 5,621
  4. Step 4: Simplify right side
    10,239.08x = 86,349,015.06
  5. Step 5: Solve for x
    x = 86,349,015.06/10,239.08
  6. Step 6: Final answer
    x = 8,433.28

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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.