Home / 10,779.06-16,163.73-4,205.10

Finding the Fourth Proportional to 10,779.06, 16,163.73 and 4,205.10

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Solution

The fourth proportional to 10,779.06, 16,163.73 and 4,205.10 is: 6,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.06 : 16,163.73 = 4,205.10 : x
  2. Step 2: Convert to fraction form
    10,779.06/16,163.73 = 4,205.10/x
  3. Step 3: Cross multiply
    10,779.06x = 16,163.73 × 4,205.10
  4. Step 4: Simplify right side
    10,779.06x = 67,970,101.02
  5. Step 5: Solve for x
    x = 67,970,101.02/10,779.06
  6. Step 6: Final answer
    x = 6,305.75

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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.