Home / 13,600.07-18,766.84-7,630.64

Finding the Fourth Proportional to 13,600.07, 18,766.84 and 7,630.64

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Solution

The fourth proportional to 13,600.07, 18,766.84 and 7,630.64 is: 10,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.07 : 18,766.84 = 7,630.64 : x
  2. Step 2: Convert to fraction form
    13,600.07/18,766.84 = 7,630.64/x
  3. Step 3: Cross multiply
    13,600.07x = 18,766.84 × 7,630.64
  4. Step 4: Simplify right side
    13,600.07x = 143,202,971.75
  5. Step 5: Solve for x
    x = 143,202,971.75/13,600.07
  6. Step 6: Final answer
    x = 10,529.58

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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.