Home / 12,744.36-19,094.96-7,803.68

Finding the Fourth Proportional to 12,744.36, 19,094.96 and 7,803.68

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Solution

The fourth proportional to 12,744.36, 19,094.96 and 7,803.68 is: 11,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.36 : 19,094.96 = 7,803.68 : x
  2. Step 2: Convert to fraction form
    12,744.36/19,094.96 = 7,803.68/x
  3. Step 3: Cross multiply
    12,744.36x = 19,094.96 × 7,803.68
  4. Step 4: Simplify right side
    12,744.36x = 149,010,957.45
  5. Step 5: Solve for x
    x = 149,010,957.45/12,744.36
  6. Step 6: Final answer
    x = 11,692.31

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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.