Home / 13,651.96-18,839.65-7,683.73

Finding the Fourth Proportional to 13,651.96, 18,839.65 and 7,683.73

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Solution

The fourth proportional to 13,651.96, 18,839.65 and 7,683.73 is: 10,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651.96 : 18,839.65 = 7,683.73 : x
  2. Step 2: Convert to fraction form
    13,651.96/18,839.65 = 7,683.73/x
  3. Step 3: Cross multiply
    13,651.96x = 18,839.65 × 7,683.73
  4. Step 4: Simplify right side
    13,651.96x = 144,758,783.89
  5. Step 5: Solve for x
    x = 144,758,783.89/13,651.96
  6. Step 6: Final answer
    x = 10,603.52

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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.