Home / 11,977.93-16,529.79-6,943.78

Finding the Fourth Proportional to 11,977.93, 16,529.79 and 6,943.78

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Solution

The fourth proportional to 11,977.93, 16,529.79 and 6,943.78 is: 9,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.93 : 16,529.79 = 6,943.78 : x
  2. Step 2: Convert to fraction form
    11,977.93/16,529.79 = 6,943.78/x
  3. Step 3: Cross multiply
    11,977.93x = 16,529.79 × 6,943.78
  4. Step 4: Simplify right side
    11,977.93x = 114,779,232.85
  5. Step 5: Solve for x
    x = 114,779,232.85/11,977.93
  6. Step 6: Final answer
    x = 9,582.56

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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.