Home / 21,837.06-30,146.60-14,704.47

Finding the Fourth Proportional to 21,837.06, 30,146.60 and 14,704.47

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Solution

The fourth proportional to 21,837.06, 30,146.60 and 14,704.47 is: 20,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.06 : 30,146.60 = 14,704.47 : x
  2. Step 2: Convert to fraction form
    21,837.06/30,146.60 = 14,704.47/x
  3. Step 3: Cross multiply
    21,837.06x = 30,146.60 × 14,704.47
  4. Step 4: Simplify right side
    21,837.06x = 443,289,701.78
  5. Step 5: Solve for x
    x = 443,289,701.78/21,837.06
  6. Step 6: Final answer
    x = 20,299.88

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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.