Home / 21,049.76-29,051.87-13,094.55

Finding the Fourth Proportional to 21,049.76, 29,051.87 and 13,094.55

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Solution

The fourth proportional to 21,049.76, 29,051.87 and 13,094.55 is: 18,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.76 : 29,051.87 = 13,094.55 : x
  2. Step 2: Convert to fraction form
    21,049.76/29,051.87 = 13,094.55/x
  3. Step 3: Cross multiply
    21,049.76x = 29,051.87 × 13,094.55
  4. Step 4: Simplify right side
    21,049.76x = 380,421,098.84
  5. Step 5: Solve for x
    x = 380,421,098.84/21,049.76
  6. Step 6: Final answer
    x = 18,072.47

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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.