Home / 21,571.84-32,357.76-6,782.05

Finding the Fourth Proportional to 21,571.84, 32,357.76 and 6,782.05

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Solution

The fourth proportional to 21,571.84, 32,357.76 and 6,782.05 is: 10,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.84 : 32,357.76 = 6,782.05 : x
  2. Step 2: Convert to fraction form
    21,571.84/32,357.76 = 6,782.05/x
  3. Step 3: Cross multiply
    21,571.84x = 32,357.76 × 6,782.05
  4. Step 4: Simplify right side
    21,571.84x = 219,451,946.21
  5. Step 5: Solve for x
    x = 219,451,946.21/21,571.84
  6. Step 6: Final answer
    x = 10,173.08

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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.