Home / 12,862.12-19,288.27-4,540.59

Finding the Fourth Proportional to 12,862.12, 19,288.27 and 4,540.59

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Solution

The fourth proportional to 12,862.12, 19,288.27 and 4,540.59 is: 6,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.12 : 19,288.27 = 4,540.59 : x
  2. Step 2: Convert to fraction form
    12,862.12/19,288.27 = 4,540.59/x
  3. Step 3: Cross multiply
    12,862.12x = 19,288.27 × 4,540.59
  4. Step 4: Simplify right side
    12,862.12x = 87,580,125.88
  5. Step 5: Solve for x
    x = 87,580,125.88/12,862.12
  6. Step 6: Final answer
    x = 6,809.15

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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.