Home / 13,897.17-20,845.73-10,739.21

Finding the Fourth Proportional to 13,897.17, 20,845.73 and 10,739.21

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Solution

The fourth proportional to 13,897.17, 20,845.73 and 10,739.21 is: 16,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.17 : 20,845.73 = 10,739.21 : x
  2. Step 2: Convert to fraction form
    13,897.17/20,845.73 = 10,739.21/x
  3. Step 3: Cross multiply
    13,897.17x = 20,845.73 × 10,739.21
  4. Step 4: Simplify right side
    13,897.17x = 223,866,514.15
  5. Step 5: Solve for x
    x = 223,866,514.15/13,897.17
  6. Step 6: Final answer
    x = 16,108.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.