Home / 20,556.04-30,837.27-8,709.83

Finding the Fourth Proportional to 20,556.04, 30,837.27 and 8,709.83

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Solution

The fourth proportional to 20,556.04, 30,837.27 and 8,709.83 is: 13,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,556.04 : 30,837.27 = 8,709.83 : x
  2. Step 2: Convert to fraction form
    20,556.04/30,837.27 = 8,709.83/x
  3. Step 3: Cross multiply
    20,556.04x = 30,837.27 × 8,709.83
  4. Step 4: Simplify right side
    20,556.04x = 268,587,379.36
  5. Step 5: Solve for x
    x = 268,587,379.36/20,556.04
  6. Step 6: Final answer
    x = 13,066.11

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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.