Home / 9,723.90-13,422.30-6,743.67

Finding the Fourth Proportional to 9,723.90, 13,422.30 and 6,743.67

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Solution

The fourth proportional to 9,723.90, 13,422.30 and 6,743.67 is: 9,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.90 : 13,422.30 = 6,743.67 : x
  2. Step 2: Convert to fraction form
    9,723.90/13,422.30 = 6,743.67/x
  3. Step 3: Cross multiply
    9,723.90x = 13,422.30 × 6,743.67
  4. Step 4: Simplify right side
    9,723.90x = 90,515,561.84
  5. Step 5: Solve for x
    x = 90,515,561.84/9,723.90
  6. Step 6: Final answer
    x = 9,308.57

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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.