Home / 11,276.40-16,882.20-6,902.40

Finding the Fourth Proportional to 11,276.40, 16,882.20 and 6,902.40

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Solution

The fourth proportional to 11,276.40, 16,882.20 and 6,902.40 is: 10,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.40 : 16,882.20 = 6,902.40 : x
  2. Step 2: Convert to fraction form
    11,276.40/16,882.20 = 6,902.40/x
  3. Step 3: Cross multiply
    11,276.40x = 16,882.20 × 6,902.40
  4. Step 4: Simplify right side
    11,276.40x = 116,527,697.28
  5. Step 5: Solve for x
    x = 116,527,697.28/11,276.40
  6. Step 6: Final answer
    x = 10,333.77

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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.