Home / 12,850.72-19,271.95-4,083.58

Finding the Fourth Proportional to 12,850.72, 19,271.95 and 4,083.58

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Solution

The fourth proportional to 12,850.72, 19,271.95 and 4,083.58 is: 6,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.72 : 19,271.95 = 4,083.58 : x
  2. Step 2: Convert to fraction form
    12,850.72/19,271.95 = 4,083.58/x
  3. Step 3: Cross multiply
    12,850.72x = 19,271.95 × 4,083.58
  4. Step 4: Simplify right side
    12,850.72x = 78,698,563.46
  5. Step 5: Solve for x
    x = 78,698,563.46/12,850.72
  6. Step 6: Final answer
    x = 6,124.06

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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.