Home / 20,603.14-30,877.37-10,739.77

Finding the Fourth Proportional to 20,603.14, 30,877.37 and 10,739.77

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Solution

The fourth proportional to 20,603.14, 30,877.37 and 10,739.77 is: 16,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603.14 : 30,877.37 = 10,739.77 : x
  2. Step 2: Convert to fraction form
    20,603.14/30,877.37 = 10,739.77/x
  3. Step 3: Cross multiply
    20,603.14x = 30,877.37 × 10,739.77
  4. Step 4: Simplify right side
    20,603.14x = 331,615,761.39
  5. Step 5: Solve for x
    x = 331,615,761.39/20,603.14
  6. Step 6: Final answer
    x = 16,095.40

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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.