Home / 12,055.88-18,066.58-6,779.81

Finding the Fourth Proportional to 12,055.88, 18,066.58 and 6,779.81

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Solution

The fourth proportional to 12,055.88, 18,066.58 and 6,779.81 is: 10,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.88 : 18,066.58 = 6,779.81 : x
  2. Step 2: Convert to fraction form
    12,055.88/18,066.58 = 6,779.81/x
  3. Step 3: Cross multiply
    12,055.88x = 18,066.58 × 6,779.81
  4. Step 4: Simplify right side
    12,055.88x = 122,488,046.10
  5. Step 5: Solve for x
    x = 122,488,046.10/12,055.88
  6. Step 6: Final answer
    x = 10,160.03

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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.