Home / 10,379.78-15,564.18-4,529.56

Finding the Fourth Proportional to 10,379.78, 15,564.18 and 4,529.56

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Solution

The fourth proportional to 10,379.78, 15,564.18 and 4,529.56 is: 6,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.78 : 15,564.18 = 4,529.56 : x
  2. Step 2: Convert to fraction form
    10,379.78/15,564.18 = 4,529.56/x
  3. Step 3: Cross multiply
    10,379.78x = 15,564.18 × 4,529.56
  4. Step 4: Simplify right side
    10,379.78x = 70,498,887.16
  5. Step 5: Solve for x
    x = 70,498,887.16/10,379.78
  6. Step 6: Final answer
    x = 6,791.94

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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.