Home / 11,810.07-16,297.70-6,505.38

Finding the Fourth Proportional to 11,810.07, 16,297.70 and 6,505.38

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Solution

The fourth proportional to 11,810.07, 16,297.70 and 6,505.38 is: 8,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.07 : 16,297.70 = 6,505.38 : x
  2. Step 2: Convert to fraction form
    11,810.07/16,297.70 = 6,505.38/x
  3. Step 3: Cross multiply
    11,810.07x = 16,297.70 × 6,505.38
  4. Step 4: Simplify right side
    11,810.07x = 106,022,682.75
  5. Step 5: Solve for x
    x = 106,022,682.75/11,810.07
  6. Step 6: Final answer
    x = 8,977.31

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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.