Home / 13,253.85-19,822.41-7,692.84

Finding the Fourth Proportional to 13,253.85, 19,822.41 and 7,692.84

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Solution

The fourth proportional to 13,253.85, 19,822.41 and 7,692.84 is: 11,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.85 : 19,822.41 = 7,692.84 : x
  2. Step 2: Convert to fraction form
    13,253.85/19,822.41 = 7,692.84/x
  3. Step 3: Cross multiply
    13,253.85x = 19,822.41 × 7,692.84
  4. Step 4: Simplify right side
    13,253.85x = 152,490,628.54
  5. Step 5: Solve for x
    x = 152,490,628.54/13,253.85
  6. Step 6: Final answer
    x = 11,505.38

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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.