Home / 19,965.40-27,551.26-12,006.09

Finding the Fourth Proportional to 19,965.40, 27,551.26 and 12,006.09

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Solution

The fourth proportional to 19,965.40, 27,551.26 and 12,006.09 is: 16,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.40 : 27,551.26 = 12,006.09 : x
  2. Step 2: Convert to fraction form
    19,965.40/27,551.26 = 12,006.09/x
  3. Step 3: Cross multiply
    19,965.40x = 27,551.26 × 12,006.09
  4. Step 4: Simplify right side
    19,965.40x = 330,782,907.17
  5. Step 5: Solve for x
    x = 330,782,907.17/19,965.40
  6. Step 6: Final answer
    x = 16,567.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.