Home / 10,779.86-16,173.72-4,541.43

Finding the Fourth Proportional to 10,779.86, 16,173.72 and 4,541.43

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Solution

The fourth proportional to 10,779.86, 16,173.72 and 4,541.43 is: 6,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.86 : 16,173.72 = 4,541.43 : x
  2. Step 2: Convert to fraction form
    10,779.86/16,173.72 = 4,541.43/x
  3. Step 3: Cross multiply
    10,779.86x = 16,173.72 × 4,541.43
  4. Step 4: Simplify right side
    10,779.86x = 73,451,817.22
  5. Step 5: Solve for x
    x = 73,451,817.22/10,779.86
  6. Step 6: Final answer
    x = 6,813.80

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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.