Home / 13,653.33-18,841.50-7,684.89

Finding the Fourth Proportional to 13,653.33, 18,841.50 and 7,684.89

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Solution

The fourth proportional to 13,653.33, 18,841.50 and 7,684.89 is: 10,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.33 : 18,841.50 = 7,684.89 : x
  2. Step 2: Convert to fraction form
    13,653.33/18,841.50 = 7,684.89/x
  3. Step 3: Cross multiply
    13,653.33x = 18,841.50 × 7,684.89
  4. Step 4: Simplify right side
    13,653.33x = 144,794,854.94
  5. Step 5: Solve for x
    x = 144,794,854.94/13,653.33
  6. Step 6: Final answer
    x = 10,605.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.