Home / 12,556.28-18,834.54-3,322.28

Finding the Fourth Proportional to 12,556.28, 18,834.54 and 3,322.28

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Solution

The fourth proportional to 12,556.28, 18,834.54 and 3,322.28 is: 4,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.28 : 18,834.54 = 3,322.28 : x
  2. Step 2: Convert to fraction form
    12,556.28/18,834.54 = 3,322.28/x
  3. Step 3: Cross multiply
    12,556.28x = 18,834.54 × 3,322.28
  4. Step 4: Simplify right side
    12,556.28x = 62,573,615.55
  5. Step 5: Solve for x
    x = 62,573,615.55/12,556.28
  6. Step 6: Final answer
    x = 4,983.45

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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.