Home / 11,276.28-16,919.28-4,703.76

Finding the Fourth Proportional to 11,276.28, 16,919.28 and 4,703.76

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Solution

The fourth proportional to 11,276.28, 16,919.28 and 4,703.76 is: 7,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.28 : 16,919.28 = 4,703.76 : x
  2. Step 2: Convert to fraction form
    11,276.28/16,919.28 = 4,703.76/x
  3. Step 3: Cross multiply
    11,276.28x = 16,919.28 × 4,703.76
  4. Step 4: Simplify right side
    11,276.28x = 79,584,232.49
  5. Step 5: Solve for x
    x = 79,584,232.49/11,276.28
  6. Step 6: Final answer
    x = 7,057.67

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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.