Home / 11,548.51-15,945.47-7,078.36

Finding the Fourth Proportional to 11,548.51, 15,945.47 and 7,078.36

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Solution

The fourth proportional to 11,548.51, 15,945.47 and 7,078.36 is: 9,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.51 : 15,945.47 = 7,078.36 : x
  2. Step 2: Convert to fraction form
    11,548.51/15,945.47 = 7,078.36/x
  3. Step 3: Cross multiply
    11,548.51x = 15,945.47 × 7,078.36
  4. Step 4: Simplify right side
    11,548.51x = 112,867,777.03
  5. Step 5: Solve for x
    x = 112,867,777.03/11,548.51
  6. Step 6: Final answer
    x = 9,773.36

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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.