Home / 12,098.88-18,150.04-3,779.64

Finding the Fourth Proportional to 12,098.88, 18,150.04 and 3,779.64

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Solution

The fourth proportional to 12,098.88, 18,150.04 and 3,779.64 is: 5,670.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.88 : 18,150.04 = 3,779.64 : x
  2. Step 2: Convert to fraction form
    12,098.88/18,150.04 = 3,779.64/x
  3. Step 3: Cross multiply
    12,098.88x = 18,150.04 × 3,779.64
  4. Step 4: Simplify right side
    12,098.88x = 68,600,617.19
  5. Step 5: Solve for x
    x = 68,600,617.19/12,098.88
  6. Step 6: Final answer
    x = 5,670.00

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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.