Home / 19,407.54-29,111.49-5,556.54

Finding the Fourth Proportional to 19,407.54, 29,111.49 and 5,556.54

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Solution

The fourth proportional to 19,407.54, 29,111.49 and 5,556.54 is: 8,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.54 : 29,111.49 = 5,556.54 : x
  2. Step 2: Convert to fraction form
    19,407.54/29,111.49 = 5,556.54/x
  3. Step 3: Cross multiply
    19,407.54x = 29,111.49 × 5,556.54
  4. Step 4: Simplify right side
    19,407.54x = 161,759,158.64
  5. Step 5: Solve for x
    x = 161,759,158.64/19,407.54
  6. Step 6: Final answer
    x = 8,334.86

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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.