Home / 18,686.84-28,033.59-6,204.56

Finding the Fourth Proportional to 18,686.84, 28,033.59 and 6,204.56

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Solution

The fourth proportional to 18,686.84, 28,033.59 and 6,204.56 is: 9,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686.84 : 28,033.59 = 6,204.56 : x
  2. Step 2: Convert to fraction form
    18,686.84/28,033.59 = 6,204.56/x
  3. Step 3: Cross multiply
    18,686.84x = 28,033.59 × 6,204.56
  4. Step 4: Simplify right side
    18,686.84x = 173,936,091.17
  5. Step 5: Solve for x
    x = 173,936,091.17/18,686.84
  6. Step 6: Final answer
    x = 9,307.95

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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.