Home / 12,343.72-17,033.68-6,753.64

Finding the Fourth Proportional to 12,343.72, 17,033.68 and 6,753.64

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Solution

The fourth proportional to 12,343.72, 17,033.68 and 6,753.64 is: 9,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.72 : 17,033.68 = 6,753.64 : x
  2. Step 2: Convert to fraction form
    12,343.72/17,033.68 = 6,753.64/x
  3. Step 3: Cross multiply
    12,343.72x = 17,033.68 × 6,753.64
  4. Step 4: Simplify right side
    12,343.72x = 115,039,342.60
  5. Step 5: Solve for x
    x = 115,039,342.60/12,343.72
  6. Step 6: Final answer
    x = 9,319.67

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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.