Home / 19,075.98-28,608.12-13,190.68

Finding the Fourth Proportional to 19,075.98, 28,608.12 and 13,190.68

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Solution

The fourth proportional to 19,075.98, 28,608.12 and 13,190.68 is: 19,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.98 : 28,608.12 = 13,190.68 : x
  2. Step 2: Convert to fraction form
    19,075.98/28,608.12 = 13,190.68/x
  3. Step 3: Cross multiply
    19,075.98x = 28,608.12 × 13,190.68
  4. Step 4: Simplify right side
    19,075.98x = 377,360,490.37
  5. Step 5: Solve for x
    x = 377,360,490.37/19,075.98
  6. Step 6: Final answer
    x = 19,781.97

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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.