Home / 12,825.86-19,231.59-4,503.56

Finding the Fourth Proportional to 12,825.86, 19,231.59 and 4,503.56

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Solution

The fourth proportional to 12,825.86, 19,231.59 and 4,503.56 is: 6,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.86 : 19,231.59 = 4,503.56 : x
  2. Step 2: Convert to fraction form
    12,825.86/19,231.59 = 4,503.56/x
  3. Step 3: Cross multiply
    12,825.86x = 19,231.59 × 4,503.56
  4. Step 4: Simplify right side
    12,825.86x = 86,610,619.46
  5. Step 5: Solve for x
    x = 86,610,619.46/12,825.86
  6. Step 6: Final answer
    x = 6,752.81

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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.