Home / 10,635.80-15,950.72-4,393.94

Finding the Fourth Proportional to 10,635.80, 15,950.72 and 4,393.94

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Solution

The fourth proportional to 10,635.80, 15,950.72 and 4,393.94 is: 6,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.80 : 15,950.72 = 4,393.94 : x
  2. Step 2: Convert to fraction form
    10,635.80/15,950.72 = 4,393.94/x
  3. Step 3: Cross multiply
    10,635.80x = 15,950.72 × 4,393.94
  4. Step 4: Simplify right side
    10,635.80x = 70,086,437.87
  5. Step 5: Solve for x
    x = 70,086,437.87/10,635.80
  6. Step 6: Final answer
    x = 6,589.68

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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.