Home / 19,092.85-28,647.87-10,317.49

Finding the Fourth Proportional to 19,092.85, 28,647.87 and 10,317.49

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Solution

The fourth proportional to 19,092.85, 28,647.87 and 10,317.49 is: 15,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.85 : 28,647.87 = 10,317.49 : x
  2. Step 2: Convert to fraction form
    19,092.85/28,647.87 = 10,317.49/x
  3. Step 3: Cross multiply
    19,092.85x = 28,647.87 × 10,317.49
  4. Step 4: Simplify right side
    19,092.85x = 295,574,112.25
  5. Step 5: Solve for x
    x = 295,574,112.25/19,092.85
  6. Step 6: Final answer
    x = 15,480.88

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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.