Home / 11,779.77-16,256.31-6,474.56

Finding the Fourth Proportional to 11,779.77, 16,256.31 and 6,474.56

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Solution

The fourth proportional to 11,779.77, 16,256.31 and 6,474.56 is: 8,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.77 : 16,256.31 = 6,474.56 : x
  2. Step 2: Convert to fraction form
    11,779.77/16,256.31 = 6,474.56/x
  3. Step 3: Cross multiply
    11,779.77x = 16,256.31 × 6,474.56
  4. Step 4: Simplify right side
    11,779.77x = 105,252,373.19
  5. Step 5: Solve for x
    x = 105,252,373.19/11,779.77
  6. Step 6: Final answer
    x = 8,935.01

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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.