Home / 11,425.86-17,143.65-7,270.56

Finding the Fourth Proportional to 11,425.86, 17,143.65 and 7,270.56

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Solution

The fourth proportional to 11,425.86, 17,143.65 and 7,270.56 is: 10,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.86 : 17,143.65 = 7,270.56 : x
  2. Step 2: Convert to fraction form
    11,425.86/17,143.65 = 7,270.56/x
  3. Step 3: Cross multiply
    11,425.86x = 17,143.65 × 7,270.56
  4. Step 4: Simplify right side
    11,425.86x = 124,643,935.94
  5. Step 5: Solve for x
    x = 124,643,935.94/11,425.86
  6. Step 6: Final answer
    x = 10,908.93

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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.