Home / 14,893.21-20,538.92-10,120.31

Finding the Fourth Proportional to 14,893.21, 20,538.92 and 10,120.31

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Solution

The fourth proportional to 14,893.21, 20,538.92 and 10,120.31 is: 13,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.21 : 20,538.92 = 10,120.31 : x
  2. Step 2: Convert to fraction form
    14,893.21/20,538.92 = 10,120.31/x
  3. Step 3: Cross multiply
    14,893.21x = 20,538.92 × 10,120.31
  4. Step 4: Simplify right side
    14,893.21x = 207,860,180.17
  5. Step 5: Solve for x
    x = 207,860,180.17/14,893.21
  6. Step 6: Final answer
    x = 13,956.71

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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.