Home / 12,771.19-19,159.85-4,006.09

Finding the Fourth Proportional to 12,771.19, 19,159.85 and 4,006.09

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Solution

The fourth proportional to 12,771.19, 19,159.85 and 4,006.09 is: 6,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.19 : 19,159.85 = 4,006.09 : x
  2. Step 2: Convert to fraction form
    12,771.19/19,159.85 = 4,006.09/x
  3. Step 3: Cross multiply
    12,771.19x = 19,159.85 × 4,006.09
  4. Step 4: Simplify right side
    12,771.19x = 76,756,083.49
  5. Step 5: Solve for x
    x = 76,756,083.49/12,771.19
  6. Step 6: Final answer
    x = 6,010.10

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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.