Home / 13,223.64-19,837.32-3,864.35

Finding the Fourth Proportional to 13,223.64, 19,837.32 and 3,864.35

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Solution

The fourth proportional to 13,223.64, 19,837.32 and 3,864.35 is: 5,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.64 : 19,837.32 = 3,864.35 : x
  2. Step 2: Convert to fraction form
    13,223.64/19,837.32 = 3,864.35/x
  3. Step 3: Cross multiply
    13,223.64x = 19,837.32 × 3,864.35
  4. Step 4: Simplify right side
    13,223.64x = 76,658,347.54
  5. Step 5: Solve for x
    x = 76,658,347.54/13,223.64
  6. Step 6: Final answer
    x = 5,797.07

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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.