Home / 14,448.99-19,939.21-8,075.62

Finding the Fourth Proportional to 14,448.99, 19,939.21 and 8,075.62

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Solution

The fourth proportional to 14,448.99, 19,939.21 and 8,075.62 is: 11,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.99 : 19,939.21 = 8,075.62 : x
  2. Step 2: Convert to fraction form
    14,448.99/19,939.21 = 8,075.62/x
  3. Step 3: Cross multiply
    14,448.99x = 19,939.21 × 8,075.62
  4. Step 4: Simplify right side
    14,448.99x = 161,021,413.02
  5. Step 5: Solve for x
    x = 161,021,413.02/14,448.99
  6. Step 6: Final answer
    x = 11,144.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.