Home / 19,964.65-27,550.23-12,005.34

Finding the Fourth Proportional to 19,964.65, 27,550.23 and 12,005.34

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Solution

The fourth proportional to 19,964.65, 27,550.23 and 12,005.34 is: 16,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.65 : 27,550.23 = 12,005.34 : x
  2. Step 2: Convert to fraction form
    19,964.65/27,550.23 = 12,005.34/x
  3. Step 3: Cross multiply
    19,964.65x = 27,550.23 × 12,005.34
  4. Step 4: Simplify right side
    19,964.65x = 330,749,878.23
  5. Step 5: Solve for x
    x = 330,749,878.23/19,964.65
  6. Step 6: Final answer
    x = 16,566.78

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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.