Home / 20,103.07-30,146.50-6,058.75

Finding the Fourth Proportional to 20,103.07, 30,146.50 and 6,058.75

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Solution

The fourth proportional to 20,103.07, 30,146.50 and 6,058.75 is: 9,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.07 : 30,146.50 = 6,058.75 : x
  2. Step 2: Convert to fraction form
    20,103.07/30,146.50 = 6,058.75/x
  3. Step 3: Cross multiply
    20,103.07x = 30,146.50 × 6,058.75
  4. Step 4: Simplify right side
    20,103.07x = 182,650,106.88
  5. Step 5: Solve for x
    x = 182,650,106.88/20,103.07
  6. Step 6: Final answer
    x = 9,085.68

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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.