Home / 10,379.33-15,571.70-3,715.59

Finding the Fourth Proportional to 10,379.33, 15,571.70 and 3,715.59

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Solution

The fourth proportional to 10,379.33, 15,571.70 and 3,715.59 is: 5,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.33 : 15,571.70 = 3,715.59 : x
  2. Step 2: Convert to fraction form
    10,379.33/15,571.70 = 3,715.59/x
  3. Step 3: Cross multiply
    10,379.33x = 15,571.70 × 3,715.59
  4. Step 4: Simplify right side
    10,379.33x = 57,858,034.23
  5. Step 5: Solve for x
    x = 57,858,034.23/10,379.33
  6. Step 6: Final answer
    x = 5,574.35

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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.