Home / 12,099.95-18,150.06-3,779.36

Finding the Fourth Proportional to 12,099.95, 18,150.06 and 3,779.36

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Solution

The fourth proportional to 12,099.95, 18,150.06 and 3,779.36 is: 5,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.95 : 18,150.06 = 3,779.36 : x
  2. Step 2: Convert to fraction form
    12,099.95/18,150.06 = 3,779.36/x
  3. Step 3: Cross multiply
    12,099.95x = 18,150.06 × 3,779.36
  4. Step 4: Simplify right side
    12,099.95x = 68,595,610.76
  5. Step 5: Solve for x
    x = 68,595,610.76/12,099.95
  6. Step 6: Final answer
    x = 5,669.08

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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.