Home / 11,325.36-16,956.74-8,543.60

Finding the Fourth Proportional to 11,325.36, 16,956.74 and 8,543.60

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Solution

The fourth proportional to 11,325.36, 16,956.74 and 8,543.60 is: 12,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.36 : 16,956.74 = 8,543.60 : x
  2. Step 2: Convert to fraction form
    11,325.36/16,956.74 = 8,543.60/x
  3. Step 3: Cross multiply
    11,325.36x = 16,956.74 × 8,543.60
  4. Step 4: Simplify right side
    11,325.36x = 144,871,604.03
  5. Step 5: Solve for x
    x = 144,871,604.03/11,325.36
  6. Step 6: Final answer
    x = 12,791.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.