Home / 19,075.75-26,331.69-11,120.47

Finding the Fourth Proportional to 19,075.75, 26,331.69 and 11,120.47

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Solution

The fourth proportional to 19,075.75, 26,331.69 and 11,120.47 is: 15,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.75 : 26,331.69 = 11,120.47 : x
  2. Step 2: Convert to fraction form
    19,075.75/26,331.69 = 11,120.47/x
  3. Step 3: Cross multiply
    19,075.75x = 26,331.69 × 11,120.47
  4. Step 4: Simplify right side
    19,075.75x = 292,820,768.69
  5. Step 5: Solve for x
    x = 292,820,768.69/19,075.75
  6. Step 6: Final answer
    x = 15,350.42

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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.