Home / 11,227.28-15,498.96-6,509.84

Finding the Fourth Proportional to 11,227.28, 15,498.96 and 6,509.84

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Solution

The fourth proportional to 11,227.28, 15,498.96 and 6,509.84 is: 8,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.28 : 15,498.96 = 6,509.84 : x
  2. Step 2: Convert to fraction form
    11,227.28/15,498.96 = 6,509.84/x
  3. Step 3: Cross multiply
    11,227.28x = 15,498.96 × 6,509.84
  4. Step 4: Simplify right side
    11,227.28x = 100,895,749.77
  5. Step 5: Solve for x
    x = 100,895,749.77/11,227.28
  6. Step 6: Final answer
    x = 8,986.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.