Home / 21,173.47-29,220.56-11,741.83

Finding the Fourth Proportional to 21,173.47, 29,220.56 and 11,741.83

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Solution

The fourth proportional to 21,173.47, 29,220.56 and 11,741.83 is: 16,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,173.47 : 29,220.56 = 11,741.83 : x
  2. Step 2: Convert to fraction form
    21,173.47/29,220.56 = 11,741.83/x
  3. Step 3: Cross multiply
    21,173.47x = 29,220.56 × 11,741.83
  4. Step 4: Simplify right side
    21,173.47x = 343,102,848.02
  5. Step 5: Solve for x
    x = 343,102,848.02/21,173.47
  6. Step 6: Final answer
    x = 16,204.38

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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.