Home / 12,947.26-19,418.08-4,627.85

Finding the Fourth Proportional to 12,947.26, 19,418.08 and 4,627.85

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Solution

The fourth proportional to 12,947.26, 19,418.08 and 4,627.85 is: 6,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947.26 : 19,418.08 = 4,627.85 : x
  2. Step 2: Convert to fraction form
    12,947.26/19,418.08 = 4,627.85/x
  3. Step 3: Cross multiply
    12,947.26x = 19,418.08 × 4,627.85
  4. Step 4: Simplify right side
    12,947.26x = 89,863,970.77
  5. Step 5: Solve for x
    x = 89,863,970.77/12,947.26
  6. Step 6: Final answer
    x = 6,940.77

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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.