Home / 10,880.46-16,320.70-7,181.83

Finding the Fourth Proportional to 10,880.46, 16,320.70 and 7,181.83

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Solution

The fourth proportional to 10,880.46, 16,320.70 and 7,181.83 is: 10,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.46 : 16,320.70 = 7,181.83 : x
  2. Step 2: Convert to fraction form
    10,880.46/16,320.70 = 7,181.83/x
  3. Step 3: Cross multiply
    10,880.46x = 16,320.70 × 7,181.83
  4. Step 4: Simplify right side
    10,880.46x = 117,212,443.88
  5. Step 5: Solve for x
    x = 117,212,443.88/10,880.46
  6. Step 6: Final answer
    x = 10,772.74

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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.