Home / 12,393.71-18,586.62-4,071.79

Finding the Fourth Proportional to 12,393.71, 18,586.62 and 4,071.79

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Solution

The fourth proportional to 12,393.71, 18,586.62 and 4,071.79 is: 6,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.71 : 18,586.62 = 4,071.79 : x
  2. Step 2: Convert to fraction form
    12,393.71/18,586.62 = 4,071.79/x
  3. Step 3: Cross multiply
    12,393.71x = 18,586.62 × 4,071.79
  4. Step 4: Simplify right side
    12,393.71x = 75,680,813.45
  5. Step 5: Solve for x
    x = 75,680,813.45/12,393.71
  6. Step 6: Final answer
    x = 6,106.39

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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.