Home / 19,968.15-29,972.91-14,709.09

Finding the Fourth Proportional to 19,968.15, 29,972.91 and 14,709.09

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Solution

The fourth proportional to 19,968.15, 29,972.91 and 14,709.09 is: 22,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.15 : 29,972.91 = 14,709.09 : x
  2. Step 2: Convert to fraction form
    19,968.15/29,972.91 = 14,709.09/x
  3. Step 3: Cross multiply
    19,968.15x = 29,972.91 × 14,709.09
  4. Step 4: Simplify right side
    19,968.15x = 440,874,356.94
  5. Step 5: Solve for x
    x = 440,874,356.94/19,968.15
  6. Step 6: Final answer
    x = 22,078.88

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1.5x scale

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.