Home / 10,919.34-16,385.67-4,344.57

Finding the Fourth Proportional to 10,919.34, 16,385.67 and 4,344.57

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Solution

The fourth proportional to 10,919.34, 16,385.67 and 4,344.57 is: 6,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.34 : 16,385.67 = 4,344.57 : x
  2. Step 2: Convert to fraction form
    10,919.34/16,385.67 = 4,344.57/x
  3. Step 3: Cross multiply
    10,919.34x = 16,385.67 × 4,344.57
  4. Step 4: Simplify right side
    10,919.34x = 71,188,690.31
  5. Step 5: Solve for x
    x = 71,188,690.31/10,919.34
  6. Step 6: Final answer
    x = 6,519.50

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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.