Home / 18,212.84-27,262.02-12,557.48

Finding the Fourth Proportional to 18,212.84, 27,262.02 and 12,557.48

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Solution

The fourth proportional to 18,212.84, 27,262.02 and 12,557.48 is: 18,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.84 : 27,262.02 = 12,557.48 : x
  2. Step 2: Convert to fraction form
    18,212.84/27,262.02 = 12,557.48/x
  3. Step 3: Cross multiply
    18,212.84x = 27,262.02 × 12,557.48
  4. Step 4: Simplify right side
    18,212.84x = 342,342,270.91
  5. Step 5: Solve for x
    x = 342,342,270.91/18,212.84
  6. Step 6: Final answer
    x = 18,796.75

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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.