Home / 15,211.80-22,820.94-6,450.84

Finding the Fourth Proportional to 15,211.80, 22,820.94 and 6,450.84

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Solution

The fourth proportional to 15,211.80, 22,820.94 and 6,450.84 is: 9,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211.80 : 22,820.94 = 6,450.84 : x
  2. Step 2: Convert to fraction form
    15,211.80/22,820.94 = 6,450.84/x
  3. Step 3: Cross multiply
    15,211.80x = 22,820.94 × 6,450.84
  4. Step 4: Simplify right side
    15,211.80x = 147,214,232.59
  5. Step 5: Solve for x
    x = 147,214,232.59/15,211.80
  6. Step 6: Final answer
    x = 9,677.63

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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.