Home / 11,887.16-16,403.73-6,852.28

Finding the Fourth Proportional to 11,887.16, 16,403.73 and 6,852.28

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Solution

The fourth proportional to 11,887.16, 16,403.73 and 6,852.28 is: 9,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.16 : 16,403.73 = 6,852.28 : x
  2. Step 2: Convert to fraction form
    11,887.16/16,403.73 = 6,852.28/x
  3. Step 3: Cross multiply
    11,887.16x = 16,403.73 × 6,852.28
  4. Step 4: Simplify right side
    11,887.16x = 112,402,951.00
  5. Step 5: Solve for x
    x = 112,402,951.00/11,887.16
  6. Step 6: Final answer
    x = 9,455.83

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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.