Home / 10,075.22-15,112.97-3,501.56

Finding the Fourth Proportional to 10,075.22, 15,112.97 and 3,501.56

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Solution

The fourth proportional to 10,075.22, 15,112.97 and 3,501.56 is: 5,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.22 : 15,112.97 = 3,501.56 : x
  2. Step 2: Convert to fraction form
    10,075.22/15,112.97 = 3,501.56/x
  3. Step 3: Cross multiply
    10,075.22x = 15,112.97 × 3,501.56
  4. Step 4: Simplify right side
    10,075.22x = 52,918,878.16
  5. Step 5: Solve for x
    x = 52,918,878.16/10,075.22
  6. Step 6: Final answer
    x = 5,252.38

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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.