Home / 15,804.15-21,791.53-10,771.41

Finding the Fourth Proportional to 15,804.15, 21,791.53 and 10,771.41

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Solution

The fourth proportional to 15,804.15, 21,791.53 and 10,771.41 is: 14,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804.15 : 21,791.53 = 10,771.41 : x
  2. Step 2: Convert to fraction form
    15,804.15/21,791.53 = 10,771.41/x
  3. Step 3: Cross multiply
    15,804.15x = 21,791.53 × 10,771.41
  4. Step 4: Simplify right side
    15,804.15x = 234,725,504.16
  5. Step 5: Solve for x
    x = 234,725,504.16/15,804.15
  6. Step 6: Final answer
    x = 14,852.14

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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.