Home / 20,075.06-30,109.35-6,227.30

Finding the Fourth Proportional to 20,075.06, 30,109.35 and 6,227.30

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Solution

The fourth proportional to 20,075.06, 30,109.35 and 6,227.30 is: 9,339.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075.06 : 30,109.35 = 6,227.30 : x
  2. Step 2: Convert to fraction form
    20,075.06/30,109.35 = 6,227.30/x
  3. Step 3: Cross multiply
    20,075.06x = 30,109.35 × 6,227.30
  4. Step 4: Simplify right side
    20,075.06x = 187,499,955.26
  5. Step 5: Solve for x
    x = 187,499,955.26/20,075.06
  6. Step 6: Final answer
    x = 9,339.94

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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.