Home / 11,255.43-15,527.28-7,277.82

Finding the Fourth Proportional to 11,255.43, 15,527.28 and 7,277.82

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Solution

The fourth proportional to 11,255.43, 15,527.28 and 7,277.82 is: 10,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.43 : 15,527.28 = 7,277.82 : x
  2. Step 2: Convert to fraction form
    11,255.43/15,527.28 = 7,277.82/x
  3. Step 3: Cross multiply
    11,255.43x = 15,527.28 × 7,277.82
  4. Step 4: Simplify right side
    11,255.43x = 113,004,748.93
  5. Step 5: Solve for x
    x = 113,004,748.93/11,255.43
  6. Step 6: Final answer
    x = 10,040.02

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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.