Home / 20,933.02-28,889.18-11,983.33

Finding the Fourth Proportional to 20,933.02, 28,889.18 and 11,983.33

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Solution

The fourth proportional to 20,933.02, 28,889.18 and 11,983.33 is: 16,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.02 : 28,889.18 = 11,983.33 : x
  2. Step 2: Convert to fraction form
    20,933.02/28,889.18 = 11,983.33/x
  3. Step 3: Cross multiply
    20,933.02x = 28,889.18 × 11,983.33
  4. Step 4: Simplify right side
    20,933.02x = 346,188,577.37
  5. Step 5: Solve for x
    x = 346,188,577.37/20,933.02
  6. Step 6: Final answer
    x = 16,537.92

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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.