Home / 12,523.68-18,783.76-4,203.36

Finding the Fourth Proportional to 12,523.68, 18,783.76 and 4,203.36

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Solution

The fourth proportional to 12,523.68, 18,783.76 and 4,203.36 is: 6,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.68 : 18,783.76 = 4,203.36 : x
  2. Step 2: Convert to fraction form
    12,523.68/18,783.76 = 4,203.36/x
  3. Step 3: Cross multiply
    12,523.68x = 18,783.76 × 4,203.36
  4. Step 4: Simplify right side
    12,523.68x = 78,954,905.43
  5. Step 5: Solve for x
    x = 78,954,905.43/12,523.68
  6. Step 6: Final answer
    x = 6,304.45

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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.