Home / 11,951.64-16,485.60-7,708.12

Finding the Fourth Proportional to 11,951.64, 16,485.60 and 7,708.12

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Solution

The fourth proportional to 11,951.64, 16,485.60 and 7,708.12 is: 10,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.64 : 16,485.60 = 7,708.12 : x
  2. Step 2: Convert to fraction form
    11,951.64/16,485.60 = 7,708.12/x
  3. Step 3: Cross multiply
    11,951.64x = 16,485.60 × 7,708.12
  4. Step 4: Simplify right side
    11,951.64x = 127,072,983.07
  5. Step 5: Solve for x
    x = 127,072,983.07/11,951.64
  6. Step 6: Final answer
    x = 10,632.26

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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.