Home / 20,069.46-30,075.03-10,205.28

Finding the Fourth Proportional to 20,069.46, 30,075.03 and 10,205.28

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Solution

The fourth proportional to 20,069.46, 30,075.03 and 10,205.28 is: 15,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.46 : 30,075.03 = 10,205.28 : x
  2. Step 2: Convert to fraction form
    20,069.46/30,075.03 = 10,205.28/x
  3. Step 3: Cross multiply
    20,069.46x = 30,075.03 × 10,205.28
  4. Step 4: Simplify right side
    20,069.46x = 306,924,102.16
  5. Step 5: Solve for x
    x = 306,924,102.16/20,069.46
  6. Step 6: Final answer
    x = 15,293.09

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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.