Home / 13,660.85-18,852.04-7,692.62

Finding the Fourth Proportional to 13,660.85, 18,852.04 and 7,692.62

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Solution

The fourth proportional to 13,660.85, 18,852.04 and 7,692.62 is: 10,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.85 : 18,852.04 = 7,692.62 : x
  2. Step 2: Convert to fraction form
    13,660.85/18,852.04 = 7,692.62/x
  3. Step 3: Cross multiply
    13,660.85x = 18,852.04 × 7,692.62
  4. Step 4: Simplify right side
    13,660.85x = 145,021,601.34
  5. Step 5: Solve for x
    x = 145,021,601.34/13,660.85
  6. Step 6: Final answer
    x = 10,615.85

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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.