Home / 12,709.89-19,065.02-3,944.25

Finding the Fourth Proportional to 12,709.89, 19,065.02 and 3,944.25

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Solution

The fourth proportional to 12,709.89, 19,065.02 and 3,944.25 is: 5,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.89 : 19,065.02 = 3,944.25 : x
  2. Step 2: Convert to fraction form
    12,709.89/19,065.02 = 3,944.25/x
  3. Step 3: Cross multiply
    12,709.89x = 19,065.02 × 3,944.25
  4. Step 4: Simplify right side
    12,709.89x = 75,197,185.41
  5. Step 5: Solve for x
    x = 75,197,185.41/12,709.89
  6. Step 6: Final answer
    x = 5,916.43

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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.