Home / 11,887.60-16,406.64-6,852.56

Finding the Fourth Proportional to 11,887.60, 16,406.64 and 6,852.56

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Solution

The fourth proportional to 11,887.60, 16,406.64 and 6,852.56 is: 9,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.60 : 16,406.64 = 6,852.56 : x
  2. Step 2: Convert to fraction form
    11,887.60/16,406.64 = 6,852.56/x
  3. Step 3: Cross multiply
    11,887.60x = 16,406.64 × 6,852.56
  4. Step 4: Simplify right side
    11,887.60x = 112,427,485.00
  5. Step 5: Solve for x
    x = 112,427,485.00/11,887.60
  6. Step 6: Final answer
    x = 9,457.54

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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.