Home / 19,554.55-29,331.79-5,514.55

Finding the Fourth Proportional to 19,554.55, 29,331.79 and 5,514.55

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Solution

The fourth proportional to 19,554.55, 29,331.79 and 5,514.55 is: 8,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.55 : 29,331.79 = 5,514.55 : x
  2. Step 2: Convert to fraction form
    19,554.55/29,331.79 = 5,514.55/x
  3. Step 3: Cross multiply
    19,554.55x = 29,331.79 × 5,514.55
  4. Step 4: Simplify right side
    19,554.55x = 161,751,535.43
  5. Step 5: Solve for x
    x = 161,751,535.43/19,554.55
  6. Step 6: Final answer
    x = 8,271.81

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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.