Home / 12,947.85-19,425.02-4,183.65

Finding the Fourth Proportional to 12,947.85, 19,425.02 and 4,183.65

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Solution

The fourth proportional to 12,947.85, 19,425.02 and 4,183.65 is: 6,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947.85 : 19,425.02 = 4,183.65 : x
  2. Step 2: Convert to fraction form
    12,947.85/19,425.02 = 4,183.65/x
  3. Step 3: Cross multiply
    12,947.85x = 19,425.02 × 4,183.65
  4. Step 4: Simplify right side
    12,947.85x = 81,267,464.00
  5. Step 5: Solve for x
    x = 81,267,464.00/12,947.85
  6. Step 6: Final answer
    x = 6,276.52

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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.