Home / 15,556.56-21,467.23-8,482.83

Finding the Fourth Proportional to 15,556.56, 21,467.23 and 8,482.83

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Solution

The fourth proportional to 15,556.56, 21,467.23 and 8,482.83 is: 11,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.56 : 21,467.23 = 8,482.83 : x
  2. Step 2: Convert to fraction form
    15,556.56/21,467.23 = 8,482.83/x
  3. Step 3: Cross multiply
    15,556.56x = 21,467.23 × 8,482.83
  4. Step 4: Simplify right side
    15,556.56x = 182,102,862.66
  5. Step 5: Solve for x
    x = 182,102,862.66/15,556.56
  6. Step 6: Final answer
    x = 11,705.86

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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.