Home / 18,174.04-27,261.60-7,779.04

Finding the Fourth Proportional to 18,174.04, 27,261.60 and 7,779.04

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Solution

The fourth proportional to 18,174.04, 27,261.60 and 7,779.04 is: 11,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.04 : 27,261.60 = 7,779.04 : x
  2. Step 2: Convert to fraction form
    18,174.04/27,261.60 = 7,779.04/x
  3. Step 3: Cross multiply
    18,174.04x = 27,261.60 × 7,779.04
  4. Step 4: Simplify right side
    18,174.04x = 212,069,076.86
  5. Step 5: Solve for x
    x = 212,069,076.86/18,174.04
  6. Step 6: Final answer
    x = 11,668.79

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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.