Home / 19,406.88-29,110.56-5,556

Finding the Fourth Proportional to 19,406.88, 29,110.56 and 5,556

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Solution

The fourth proportional to 19,406.88, 29,110.56 and 5,556 is: 8,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.88 : 29,110.56 = 5,556 : x
  2. Step 2: Convert to fraction form
    19,406.88/29,110.56 = 5,556/x
  3. Step 3: Cross multiply
    19,406.88x = 29,110.56 × 5,556
  4. Step 4: Simplify right side
    19,406.88x = 161,738,271.36
  5. Step 5: Solve for x
    x = 161,738,271.36/19,406.88
  6. Step 6: Final answer
    x = 8,334.07

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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.