Home / 15,556.24-21,467.56-8,482.64

Finding the Fourth Proportional to 15,556.24, 21,467.56 and 8,482.64

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Solution

The fourth proportional to 15,556.24, 21,467.56 and 8,482.64 is: 11,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.24 : 21,467.56 = 8,482.64 : x
  2. Step 2: Convert to fraction form
    15,556.24/21,467.56 = 8,482.64/x
  3. Step 3: Cross multiply
    15,556.24x = 21,467.56 × 8,482.64
  4. Step 4: Simplify right side
    15,556.24x = 182,101,583.16
  5. Step 5: Solve for x
    x = 182,101,583.16/15,556.24
  6. Step 6: Final answer
    x = 11,706.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.