Home / 20,223.07-30,338.92-7,075.87

Finding the Fourth Proportional to 20,223.07, 30,338.92 and 7,075.87

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Solution

The fourth proportional to 20,223.07, 30,338.92 and 7,075.87 is: 10,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.07 : 30,338.92 = 7,075.87 : x
  2. Step 2: Convert to fraction form
    20,223.07/30,338.92 = 7,075.87/x
  3. Step 3: Cross multiply
    20,223.07x = 30,338.92 × 7,075.87
  4. Step 4: Simplify right side
    20,223.07x = 214,674,186.86
  5. Step 5: Solve for x
    x = 214,674,186.86/20,223.07
  6. Step 6: Final answer
    x = 10,615.31

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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.