Home / 11,810.94-16,299.08-6,505.69

Finding the Fourth Proportional to 11,810.94, 16,299.08 and 6,505.69

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Solution

The fourth proportional to 11,810.94, 16,299.08 and 6,505.69 is: 8,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.94 : 16,299.08 = 6,505.69 : x
  2. Step 2: Convert to fraction form
    11,810.94/16,299.08 = 6,505.69/x
  3. Step 3: Cross multiply
    11,810.94x = 16,299.08 × 6,505.69
  4. Step 4: Simplify right side
    11,810.94x = 106,036,688.49
  5. Step 5: Solve for x
    x = 106,036,688.49/11,810.94
  6. Step 6: Final answer
    x = 8,977.84

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Double scale
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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.