Home / 12,261.33-18,384.08-5,245.92

Finding the Fourth Proportional to 12,261.33, 18,384.08 and 5,245.92

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Solution

The fourth proportional to 12,261.33, 18,384.08 and 5,245.92 is: 7,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.33 : 18,384.08 = 5,245.92 : x
  2. Step 2: Convert to fraction form
    12,261.33/18,384.08 = 5,245.92/x
  3. Step 3: Cross multiply
    12,261.33x = 18,384.08 × 5,245.92
  4. Step 4: Simplify right side
    12,261.33x = 96,441,412.95
  5. Step 5: Solve for x
    x = 96,441,412.95/12,261.33
  6. Step 6: Final answer
    x = 7,865.49

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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.