Home / 20,367.81-30,556.47-6,327.09

Finding the Fourth Proportional to 20,367.81, 30,556.47 and 6,327.09

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Solution

The fourth proportional to 20,367.81, 30,556.47 and 6,327.09 is: 9,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.81 : 30,556.47 = 6,327.09 : x
  2. Step 2: Convert to fraction form
    20,367.81/30,556.47 = 6,327.09/x
  3. Step 3: Cross multiply
    20,367.81x = 30,556.47 × 6,327.09
  4. Step 4: Simplify right side
    20,367.81x = 193,333,535.77
  5. Step 5: Solve for x
    x = 193,333,535.77/20,367.81
  6. Step 6: Final answer
    x = 9,492.11

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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.