Home / 11,685.64-16,126.06-7,207.60

Finding the Fourth Proportional to 11,685.64, 16,126.06 and 7,207.60

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Solution

The fourth proportional to 11,685.64, 16,126.06 and 7,207.60 is: 9,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.64 : 16,126.06 = 7,207.60 : x
  2. Step 2: Convert to fraction form
    11,685.64/16,126.06 = 7,207.60/x
  3. Step 3: Cross multiply
    11,685.64x = 16,126.06 × 7,207.60
  4. Step 4: Simplify right side
    11,685.64x = 116,230,190.06
  5. Step 5: Solve for x
    x = 116,230,190.06/11,685.64
  6. Step 6: Final answer
    x = 9,946.41

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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.