Home / 11,851.30-17,779.38-4,060.72

Finding the Fourth Proportional to 11,851.30, 17,779.38 and 4,060.72

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Solution

The fourth proportional to 11,851.30, 17,779.38 and 4,060.72 is: 6,091.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.30 : 17,779.38 = 4,060.72 : x
  2. Step 2: Convert to fraction form
    11,851.30/17,779.38 = 4,060.72/x
  3. Step 3: Cross multiply
    11,851.30x = 17,779.38 × 4,060.72
  4. Step 4: Simplify right side
    11,851.30x = 72,197,083.95
  5. Step 5: Solve for x
    x = 72,197,083.95/11,851.30
  6. Step 6: Final answer
    x = 6,091.91

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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.