Home / 21,403.22-29,533.90-11,841.84

Finding the Fourth Proportional to 21,403.22, 29,533.90 and 11,841.84

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Solution

The fourth proportional to 21,403.22, 29,533.90 and 11,841.84 is: 16,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.22 : 29,533.90 = 11,841.84 : x
  2. Step 2: Convert to fraction form
    21,403.22/29,533.90 = 11,841.84/x
  3. Step 3: Cross multiply
    21,403.22x = 29,533.90 × 11,841.84
  4. Step 4: Simplify right side
    21,403.22x = 349,735,622.43
  5. Step 5: Solve for x
    x = 349,735,622.43/21,403.22
  6. Step 6: Final answer
    x = 16,340.33

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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.