Home / 10,880.32-16,305.21-4,631.87

Finding the Fourth Proportional to 10,880.32, 16,305.21 and 4,631.87

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Solution

The fourth proportional to 10,880.32, 16,305.21 and 4,631.87 is: 6,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.32 : 16,305.21 = 4,631.87 : x
  2. Step 2: Convert to fraction form
    10,880.32/16,305.21 = 4,631.87/x
  3. Step 3: Cross multiply
    10,880.32x = 16,305.21 × 4,631.87
  4. Step 4: Simplify right side
    10,880.32x = 75,523,613.04
  5. Step 5: Solve for x
    x = 75,523,613.04/10,880.32
  6. Step 6: Final answer
    x = 6,941.31

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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.