Home / 12,803.92-19,205.73-3,316.19

Finding the Fourth Proportional to 12,803.92, 19,205.73 and 3,316.19

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Solution

The fourth proportional to 12,803.92, 19,205.73 and 3,316.19 is: 4,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.92 : 19,205.73 = 3,316.19 : x
  2. Step 2: Convert to fraction form
    12,803.92/19,205.73 = 3,316.19/x
  3. Step 3: Cross multiply
    12,803.92x = 19,205.73 × 3,316.19
  4. Step 4: Simplify right side
    12,803.92x = 63,689,849.77
  5. Step 5: Solve for x
    x = 63,689,849.77/12,803.92
  6. Step 6: Final answer
    x = 4,974.25

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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.