Home / 12,564.04-18,824.46-8,859.64

Finding the Fourth Proportional to 12,564.04, 18,824.46 and 8,859.64

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Solution

The fourth proportional to 12,564.04, 18,824.46 and 8,859.64 is: 13,274.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.04 : 18,824.46 = 8,859.64 : x
  2. Step 2: Convert to fraction form
    12,564.04/18,824.46 = 8,859.64/x
  3. Step 3: Cross multiply
    12,564.04x = 18,824.46 × 8,859.64
  4. Step 4: Simplify right side
    12,564.04x = 166,777,938.79
  5. Step 5: Solve for x
    x = 166,777,938.79/12,564.04
  6. Step 6: Final answer
    x = 13,274.23

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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.