Home / 10,779.30-16,162.32-4,197.84

Finding the Fourth Proportional to 10,779.30, 16,162.32 and 4,197.84

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Solution

The fourth proportional to 10,779.30, 16,162.32 and 4,197.84 is: 6,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.30 : 16,162.32 = 4,197.84 : x
  2. Step 2: Convert to fraction form
    10,779.30/16,162.32 = 4,197.84/x
  3. Step 3: Cross multiply
    10,779.30x = 16,162.32 × 4,197.84
  4. Step 4: Simplify right side
    10,779.30x = 67,846,833.39
  5. Step 5: Solve for x
    x = 67,846,833.39/10,779.30
  6. Step 6: Final answer
    x = 6,294.18

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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.