Home / 19,964.90-29,968.13-14,705.85

Finding the Fourth Proportional to 19,964.90, 29,968.13 and 14,705.85

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Solution

The fourth proportional to 19,964.90, 29,968.13 and 14,705.85 is: 22,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.90 : 29,968.13 = 14,705.85 : x
  2. Step 2: Convert to fraction form
    19,964.90/29,968.13 = 14,705.85/x
  3. Step 3: Cross multiply
    19,964.90x = 29,968.13 × 14,705.85
  4. Step 4: Simplify right side
    19,964.90x = 440,706,751.03
  5. Step 5: Solve for x
    x = 440,706,751.03/19,964.90
  6. Step 6: Final answer
    x = 22,074.07

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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.