Home / 12,646.54-18,963.60-7,383.52

Finding the Fourth Proportional to 12,646.54, 18,963.60 and 7,383.52

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Solution

The fourth proportional to 12,646.54, 18,963.60 and 7,383.52 is: 11,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646.54 : 18,963.60 = 7,383.52 : x
  2. Step 2: Convert to fraction form
    12,646.54/18,963.60 = 7,383.52/x
  3. Step 3: Cross multiply
    12,646.54x = 18,963.60 × 7,383.52
  4. Step 4: Simplify right side
    12,646.54x = 140,018,119.87
  5. Step 5: Solve for x
    x = 140,018,119.87/12,646.54
  6. Step 6: Final answer
    x = 11,071.65

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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.