Home / 12,748.32-17,584.75-8,762.52

Finding the Fourth Proportional to 12,748.32, 17,584.75 and 8,762.52

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Solution

The fourth proportional to 12,748.32, 17,584.75 and 8,762.52 is: 12,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.32 : 17,584.75 = 8,762.52 : x
  2. Step 2: Convert to fraction form
    12,748.32/17,584.75 = 8,762.52/x
  3. Step 3: Cross multiply
    12,748.32x = 17,584.75 × 8,762.52
  4. Step 4: Simplify right side
    12,748.32x = 154,086,723.57
  5. Step 5: Solve for x
    x = 154,086,723.57/12,748.32
  6. Step 6: Final answer
    x = 12,086.83

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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.