Home / 12,564.36-18,846.54-5,634

Finding the Fourth Proportional to 12,564.36, 18,846.54 and 5,634

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Solution

The fourth proportional to 12,564.36, 18,846.54 and 5,634 is: 8,451

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.36 : 18,846.54 = 5,634 : x
  2. Step 2: Convert to fraction form
    12,564.36/18,846.54 = 5,634/x
  3. Step 3: Cross multiply
    12,564.36x = 18,846.54 × 5,634
  4. Step 4: Simplify right side
    12,564.36x = 106,181,406.36
  5. Step 5: Solve for x
    x = 106,181,406.36/12,564.36
  6. Step 6: Final answer
    x = 8,451

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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.