Home / 11,779.65-16,256.26-6,474.81

Finding the Fourth Proportional to 11,779.65, 16,256.26 and 6,474.81

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Solution

The fourth proportional to 11,779.65, 16,256.26 and 6,474.81 is: 8,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.65 : 16,256.26 = 6,474.81 : x
  2. Step 2: Convert to fraction form
    11,779.65/16,256.26 = 6,474.81/x
  3. Step 3: Cross multiply
    11,779.65x = 16,256.26 × 6,474.81
  4. Step 4: Simplify right side
    11,779.65x = 105,256,194.81
  5. Step 5: Solve for x
    x = 105,256,194.81/11,779.65
  6. Step 6: Final answer
    x = 8,935.43

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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.