Home / 19,775.53-29,617.94-12,828.97

Finding the Fourth Proportional to 19,775.53, 29,617.94 and 12,828.97

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Solution

The fourth proportional to 19,775.53, 29,617.94 and 12,828.97 is: 19,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.53 : 29,617.94 = 12,828.97 : x
  2. Step 2: Convert to fraction form
    19,775.53/29,617.94 = 12,828.97/x
  3. Step 3: Cross multiply
    19,775.53x = 29,617.94 × 12,828.97
  4. Step 4: Simplify right side
    19,775.53x = 379,967,599.58
  5. Step 5: Solve for x
    x = 379,967,599.58/19,775.53
  6. Step 6: Final answer
    x = 19,214.03

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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.