Home / 21,559.44-32,330.40-6,763.80

Finding the Fourth Proportional to 21,559.44, 32,330.40 and 6,763.80

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Solution

The fourth proportional to 21,559.44, 32,330.40 and 6,763.80 is: 10,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.44 : 32,330.40 = 6,763.80 : x
  2. Step 2: Convert to fraction form
    21,559.44/32,330.40 = 6,763.80/x
  3. Step 3: Cross multiply
    21,559.44x = 32,330.40 × 6,763.80
  4. Step 4: Simplify right side
    21,559.44x = 218,676,359.52
  5. Step 5: Solve for x
    x = 218,676,359.52/21,559.44
  6. Step 6: Final answer
    x = 10,142.95

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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.