Home / 12,963.69-19,440.68-5,564.34

Finding the Fourth Proportional to 12,963.69, 19,440.68 and 5,564.34

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Solution

The fourth proportional to 12,963.69, 19,440.68 and 5,564.34 is: 8,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.69 : 19,440.68 = 5,564.34 : x
  2. Step 2: Convert to fraction form
    12,963.69/19,440.68 = 5,564.34/x
  3. Step 3: Cross multiply
    12,963.69x = 19,440.68 × 5,564.34
  4. Step 4: Simplify right side
    12,963.69x = 108,174,525.53
  5. Step 5: Solve for x
    x = 108,174,525.53/12,963.69
  6. Step 6: Final answer
    x = 8,344.42

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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.