Home / 21,722.32-32,554.32-11,846.80

Finding the Fourth Proportional to 21,722.32, 32,554.32 and 11,846.80

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Solution

The fourth proportional to 21,722.32, 32,554.32 and 11,846.80 is: 17,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722.32 : 32,554.32 = 11,846.80 : x
  2. Step 2: Convert to fraction form
    21,722.32/32,554.32 = 11,846.80/x
  3. Step 3: Cross multiply
    21,722.32x = 32,554.32 × 11,846.80
  4. Step 4: Simplify right side
    21,722.32x = 385,664,518.18
  5. Step 5: Solve for x
    x = 385,664,518.18/21,722.32
  6. Step 6: Final answer
    x = 17,754.30

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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.