Home / 12,248.60-16,884.96-9,556.79

Finding the Fourth Proportional to 12,248.60, 16,884.96 and 9,556.79

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Solution

The fourth proportional to 12,248.60, 16,884.96 and 9,556.79 is: 13,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.60 : 16,884.96 = 9,556.79 : x
  2. Step 2: Convert to fraction form
    12,248.60/16,884.96 = 9,556.79/x
  3. Step 3: Cross multiply
    12,248.60x = 16,884.96 × 9,556.79
  4. Step 4: Simplify right side
    12,248.60x = 161,365,932.45
  5. Step 5: Solve for x
    x = 161,365,932.45/12,248.60
  6. Step 6: Final answer
    x = 13,174.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.