Home / 12,958.74-19,438.71-4,194.34

Finding the Fourth Proportional to 12,958.74, 19,438.71 and 4,194.34

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Solution

The fourth proportional to 12,958.74, 19,438.71 and 4,194.34 is: 6,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958.74 : 19,438.71 = 4,194.34 : x
  2. Step 2: Convert to fraction form
    12,958.74/19,438.71 = 4,194.34/x
  3. Step 3: Cross multiply
    12,958.74x = 19,438.71 × 4,194.34
  4. Step 4: Simplify right side
    12,958.74x = 81,532,558.90
  5. Step 5: Solve for x
    x = 81,532,558.90/12,958.74
  6. Step 6: Final answer
    x = 6,291.70

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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.