Home / 20,344.80-28,075.05-11,846.46

Finding the Fourth Proportional to 20,344.80, 28,075.05 and 11,846.46

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Solution

The fourth proportional to 20,344.80, 28,075.05 and 11,846.46 is: 16,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.80 : 28,075.05 = 11,846.46 : x
  2. Step 2: Convert to fraction form
    20,344.80/28,075.05 = 11,846.46/x
  3. Step 3: Cross multiply
    20,344.80x = 28,075.05 × 11,846.46
  4. Step 4: Simplify right side
    20,344.80x = 332,589,956.82
  5. Step 5: Solve for x
    x = 332,589,956.82/20,344.80
  6. Step 6: Final answer
    x = 16,347.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.