Home / 19,964.90-27,550.58-12,005.58

Finding the Fourth Proportional to 19,964.90, 27,550.58 and 12,005.58

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Solution

The fourth proportional to 19,964.90, 27,550.58 and 12,005.58 is: 16,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.90 : 27,550.58 = 12,005.58 : x
  2. Step 2: Convert to fraction form
    19,964.90/27,550.58 = 12,005.58/x
  3. Step 3: Cross multiply
    19,964.90x = 27,550.58 × 12,005.58
  4. Step 4: Simplify right side
    19,964.90x = 330,760,692.24
  5. Step 5: Solve for x
    x = 330,760,692.24/19,964.90
  6. Step 6: Final answer
    x = 16,567.11

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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.