Home / 11,565.52-15,954.76-7,087.84

Finding the Fourth Proportional to 11,565.52, 15,954.76 and 7,087.84

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Solution

The fourth proportional to 11,565.52, 15,954.76 and 7,087.84 is: 9,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.52 : 15,954.76 = 7,087.84 : x
  2. Step 2: Convert to fraction form
    11,565.52/15,954.76 = 7,087.84/x
  3. Step 3: Cross multiply
    11,565.52x = 15,954.76 × 7,087.84
  4. Step 4: Simplify right side
    11,565.52x = 113,084,786.12
  5. Step 5: Solve for x
    x = 113,084,786.12/11,565.52
  6. Step 6: Final answer
    x = 9,777.75

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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.