Home / 21,962.80-32,946.40-6,380.56

Finding the Fourth Proportional to 21,962.80, 32,946.40 and 6,380.56

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Solution

The fourth proportional to 21,962.80, 32,946.40 and 6,380.56 is: 9,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962.80 : 32,946.40 = 6,380.56 : x
  2. Step 2: Convert to fraction form
    21,962.80/32,946.40 = 6,380.56/x
  3. Step 3: Cross multiply
    21,962.80x = 32,946.40 × 6,380.56
  4. Step 4: Simplify right side
    21,962.80x = 210,216,481.98
  5. Step 5: Solve for x
    x = 210,216,481.98/21,962.80
  6. Step 6: Final answer
    x = 9,571.48

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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.