Home / 13,319.46-19,963.64-10,021.96

Finding the Fourth Proportional to 13,319.46, 19,963.64 and 10,021.96

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Solution

The fourth proportional to 13,319.46, 19,963.64 and 10,021.96 is: 15,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.46 : 19,963.64 = 10,021.96 : x
  2. Step 2: Convert to fraction form
    13,319.46/19,963.64 = 10,021.96/x
  3. Step 3: Cross multiply
    13,319.46x = 19,963.64 × 10,021.96
  4. Step 4: Simplify right side
    13,319.46x = 200,074,801.53
  5. Step 5: Solve for x
    x = 200,074,801.53/13,319.46
  6. Step 6: Final answer
    x = 15,021.24

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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.