Home / 11,347.09-17,011.51-3,951.38

Finding the Fourth Proportional to 11,347.09, 17,011.51 and 3,951.38

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Solution

The fourth proportional to 11,347.09, 17,011.51 and 3,951.38 is: 5,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.09 : 17,011.51 = 3,951.38 : x
  2. Step 2: Convert to fraction form
    11,347.09/17,011.51 = 3,951.38/x
  3. Step 3: Cross multiply
    11,347.09x = 17,011.51 × 3,951.38
  4. Step 4: Simplify right side
    11,347.09x = 67,218,973.03
  5. Step 5: Solve for x
    x = 67,218,973.03/11,347.09
  6. Step 6: Final answer
    x = 5,923.90

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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.