Home / 10,711.90-16,053.20-6,809.32

Finding the Fourth Proportional to 10,711.90, 16,053.20 and 6,809.32

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Solution

The fourth proportional to 10,711.90, 16,053.20 and 6,809.32 is: 10,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.90 : 16,053.20 = 6,809.32 : x
  2. Step 2: Convert to fraction form
    10,711.90/16,053.20 = 6,809.32/x
  3. Step 3: Cross multiply
    10,711.90x = 16,053.20 × 6,809.32
  4. Step 4: Simplify right side
    10,711.90x = 109,311,375.82
  5. Step 5: Solve for x
    x = 109,311,375.82/10,711.90
  6. Step 6: Final answer
    x = 10,204.67

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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.