Home / 15,556.50-21,467.37-8,482.77

Finding the Fourth Proportional to 15,556.50, 21,467.37 and 8,482.77

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Solution

The fourth proportional to 15,556.50, 21,467.37 and 8,482.77 is: 11,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.50 : 21,467.37 = 8,482.77 : x
  2. Step 2: Convert to fraction form
    15,556.50/21,467.37 = 8,482.77/x
  3. Step 3: Cross multiply
    15,556.50x = 21,467.37 × 8,482.77
  4. Step 4: Simplify right side
    15,556.50x = 182,102,762.21
  5. Step 5: Solve for x
    x = 182,102,762.21/15,556.50
  6. Step 6: Final answer
    x = 11,705.90

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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.