Home / 14,075.36-21,120.33-10,211.66

Finding the Fourth Proportional to 14,075.36, 21,120.33 and 10,211.66

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Solution

The fourth proportional to 14,075.36, 21,120.33 and 10,211.66 is: 15,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.36 : 21,120.33 = 10,211.66 : x
  2. Step 2: Convert to fraction form
    14,075.36/21,120.33 = 10,211.66/x
  3. Step 3: Cross multiply
    14,075.36x = 21,120.33 × 10,211.66
  4. Step 4: Simplify right side
    14,075.36x = 215,673,629.05
  5. Step 5: Solve for x
    x = 215,673,629.05/14,075.36
  6. Step 6: Final answer
    x = 15,322.78

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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.