Home / 19,550.51-29,325.75-7,860.99

Finding the Fourth Proportional to 19,550.51, 29,325.75 and 7,860.99

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Solution

The fourth proportional to 19,550.51, 29,325.75 and 7,860.99 is: 11,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.51 : 29,325.75 = 7,860.99 : x
  2. Step 2: Convert to fraction form
    19,550.51/29,325.75 = 7,860.99/x
  3. Step 3: Cross multiply
    19,550.51x = 29,325.75 × 7,860.99
  4. Step 4: Simplify right side
    19,550.51x = 230,529,427.49
  5. Step 5: Solve for x
    x = 230,529,427.49/19,550.51
  6. Step 6: Final answer
    x = 11,791.48

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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.