Home / 20,933.55-31,362.93-11,050.74

Finding the Fourth Proportional to 20,933.55, 31,362.93 and 11,050.74

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Solution

The fourth proportional to 20,933.55, 31,362.93 and 11,050.74 is: 16,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.55 : 31,362.93 = 11,050.74 : x
  2. Step 2: Convert to fraction form
    20,933.55/31,362.93 = 11,050.74/x
  3. Step 3: Cross multiply
    20,933.55x = 31,362.93 × 11,050.74
  4. Step 4: Simplify right side
    20,933.55x = 346,583,585.07
  5. Step 5: Solve for x
    x = 346,583,585.07/20,933.55
  6. Step 6: Final answer
    x = 16,556.37

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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.