Home / 11,779.08-17,671.35-3,458.76

Finding the Fourth Proportional to 11,779.08, 17,671.35 and 3,458.76

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Solution

The fourth proportional to 11,779.08, 17,671.35 and 3,458.76 is: 5,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.08 : 17,671.35 = 3,458.76 : x
  2. Step 2: Convert to fraction form
    11,779.08/17,671.35 = 3,458.76/x
  3. Step 3: Cross multiply
    11,779.08x = 17,671.35 × 3,458.76
  4. Step 4: Simplify right side
    11,779.08x = 61,120,958.53
  5. Step 5: Solve for x
    x = 61,120,958.53/11,779.08
  6. Step 6: Final answer
    x = 5,188.94

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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.