Home / 12,836.87-19,255.15-4,071.86

Finding the Fourth Proportional to 12,836.87, 19,255.15 and 4,071.86

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Solution

The fourth proportional to 12,836.87, 19,255.15 and 4,071.86 is: 6,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.87 : 19,255.15 = 4,071.86 : x
  2. Step 2: Convert to fraction form
    12,836.87/19,255.15 = 4,071.86/x
  3. Step 3: Cross multiply
    12,836.87x = 19,255.15 × 4,071.86
  4. Step 4: Simplify right side
    12,836.87x = 78,404,275.08
  5. Step 5: Solve for x
    x = 78,404,275.08/12,836.87
  6. Step 6: Final answer
    x = 6,107.74

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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.