Home / 19,965.90-27,551.96-12,006.59

Finding the Fourth Proportional to 19,965.90, 27,551.96 and 12,006.59

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Solution

The fourth proportional to 19,965.90, 27,551.96 and 12,006.59 is: 16,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.90 : 27,551.96 = 12,006.59 : x
  2. Step 2: Convert to fraction form
    19,965.90/27,551.96 = 12,006.59/x
  3. Step 3: Cross multiply
    19,965.90x = 27,551.96 × 12,006.59
  4. Step 4: Simplify right side
    19,965.90x = 330,804,889.62
  5. Step 5: Solve for x
    x = 330,804,889.62/19,965.90
  6. Step 6: Final answer
    x = 16,568.49

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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.