Home / 20,204.15-30,307.77-6,165.41

Finding the Fourth Proportional to 20,204.15, 30,307.77 and 6,165.41

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Solution

The fourth proportional to 20,204.15, 30,307.77 and 6,165.41 is: 9,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.15 : 30,307.77 = 6,165.41 : x
  2. Step 2: Convert to fraction form
    20,204.15/30,307.77 = 6,165.41/x
  3. Step 3: Cross multiply
    20,204.15x = 30,307.77 × 6,165.41
  4. Step 4: Simplify right side
    20,204.15x = 186,859,676.70
  5. Step 5: Solve for x
    x = 186,859,676.70/20,204.15
  6. Step 6: Final answer
    x = 9,248.58

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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.