Home / 21,467.36-32,166.32-11,611.28

Finding the Fourth Proportional to 21,467.36, 32,166.32 and 11,611.28

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Solution

The fourth proportional to 21,467.36, 32,166.32 and 11,611.28 is: 17,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.36 : 32,166.32 = 11,611.28 : x
  2. Step 2: Convert to fraction form
    21,467.36/32,166.32 = 11,611.28/x
  3. Step 3: Cross multiply
    21,467.36x = 32,166.32 × 11,611.28
  4. Step 4: Simplify right side
    21,467.36x = 373,492,148.09
  5. Step 5: Solve for x
    x = 373,492,148.09/21,467.36
  6. Step 6: Final answer
    x = 17,398.14

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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.