Home / 20,075.22-30,111.39-6,223.86

Finding the Fourth Proportional to 20,075.22, 30,111.39 and 6,223.86

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Solution

The fourth proportional to 20,075.22, 30,111.39 and 6,223.86 is: 9,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075.22 : 30,111.39 = 6,223.86 : x
  2. Step 2: Convert to fraction form
    20,075.22/30,111.39 = 6,223.86/x
  3. Step 3: Cross multiply
    20,075.22x = 30,111.39 × 6,223.86
  4. Step 4: Simplify right side
    20,075.22x = 187,409,075.77
  5. Step 5: Solve for x
    x = 187,409,075.77/20,075.22
  6. Step 6: Final answer
    x = 9,335.34

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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.