Home / 11,779.21-16,256.45-6,743.84

Finding the Fourth Proportional to 11,779.21, 16,256.45 and 6,743.84

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Solution

The fourth proportional to 11,779.21, 16,256.45 and 6,743.84 is: 9,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.21 : 16,256.45 = 6,743.84 : x
  2. Step 2: Convert to fraction form
    11,779.21/16,256.45 = 6,743.84/x
  3. Step 3: Cross multiply
    11,779.21x = 16,256.45 × 6,743.84
  4. Step 4: Simplify right side
    11,779.21x = 109,630,864.05
  5. Step 5: Solve for x
    x = 109,630,864.05/11,779.21
  6. Step 6: Final answer
    x = 9,307.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.