Home / 12,813.74-19,220.62-4,049.34

Finding the Fourth Proportional to 12,813.74, 19,220.62 and 4,049.34

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Solution

The fourth proportional to 12,813.74, 19,220.62 and 4,049.34 is: 6,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.74 : 19,220.62 = 4,049.34 : x
  2. Step 2: Convert to fraction form
    12,813.74/19,220.62 = 4,049.34/x
  3. Step 3: Cross multiply
    12,813.74x = 19,220.62 × 4,049.34
  4. Step 4: Simplify right side
    12,813.74x = 77,830,825.39
  5. Step 5: Solve for x
    x = 77,830,825.39/12,813.74
  6. Step 6: Final answer
    x = 6,074.01

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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.