Home / 11,810.80-16,298.96-6,505.48

Finding the Fourth Proportional to 11,810.80, 16,298.96 and 6,505.48

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Solution

The fourth proportional to 11,810.80, 16,298.96 and 6,505.48 is: 8,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.80 : 16,298.96 = 6,505.48 : x
  2. Step 2: Convert to fraction form
    11,810.80/16,298.96 = 6,505.48/x
  3. Step 3: Cross multiply
    11,810.80x = 16,298.96 × 6,505.48
  4. Step 4: Simplify right side
    11,810.80x = 106,032,558.30
  5. Step 5: Solve for x
    x = 106,032,558.30/11,810.80
  6. Step 6: Final answer
    x = 8,977.59

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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.