Home / 11,810.64-16,298.82-6,505.56

Finding the Fourth Proportional to 11,810.64, 16,298.82 and 6,505.56

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Solution

The fourth proportional to 11,810.64, 16,298.82 and 6,505.56 is: 8,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.64 : 16,298.82 = 6,505.56 : x
  2. Step 2: Convert to fraction form
    11,810.64/16,298.82 = 6,505.56/x
  3. Step 3: Cross multiply
    11,810.64x = 16,298.82 × 6,505.56
  4. Step 4: Simplify right side
    11,810.64x = 106,032,951.44
  5. Step 5: Solve for x
    x = 106,032,951.44/11,810.64
  6. Step 6: Final answer
    x = 8,977.75

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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.