Home / 19,728.78-29,599.24-6,907.26

Finding the Fourth Proportional to 19,728.78, 29,599.24 and 6,907.26

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Solution

The fourth proportional to 19,728.78, 29,599.24 and 6,907.26 is: 10,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.78 : 29,599.24 = 6,907.26 : x
  2. Step 2: Convert to fraction form
    19,728.78/29,599.24 = 6,907.26/x
  3. Step 3: Cross multiply
    19,728.78x = 29,599.24 × 6,907.26
  4. Step 4: Simplify right side
    19,728.78x = 204,449,646.48
  5. Step 5: Solve for x
    x = 204,449,646.48/19,728.78
  6. Step 6: Final answer
    x = 10,363.02

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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.