Home / 12,548.68-18,824.80-3,784.28

Finding the Fourth Proportional to 12,548.68, 18,824.80 and 3,784.28

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Solution

The fourth proportional to 12,548.68, 18,824.80 and 3,784.28 is: 5,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.68 : 18,824.80 = 3,784.28 : x
  2. Step 2: Convert to fraction form
    12,548.68/18,824.80 = 3,784.28/x
  3. Step 3: Cross multiply
    12,548.68x = 18,824.80 × 3,784.28
  4. Step 4: Simplify right side
    12,548.68x = 71,238,314.14
  5. Step 5: Solve for x
    x = 71,238,314.14/12,548.68
  6. Step 6: Final answer
    x = 5,676.96

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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.