Home / 12,862.37-19,293.42-4,540.43

Finding the Fourth Proportional to 12,862.37, 19,293.42 and 4,540.43

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Solution

The fourth proportional to 12,862.37, 19,293.42 and 4,540.43 is: 6,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.37 : 19,293.42 = 4,540.43 : x
  2. Step 2: Convert to fraction form
    12,862.37/19,293.42 = 4,540.43/x
  3. Step 3: Cross multiply
    12,862.37x = 19,293.42 × 4,540.43
  4. Step 4: Simplify right side
    12,862.37x = 87,600,422.97
  5. Step 5: Solve for x
    x = 87,600,422.97/12,862.37
  6. Step 6: Final answer
    x = 6,810.60

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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.