Home / 11,027.91-15,218.91-10,529.76

Finding the Fourth Proportional to 11,027.91, 15,218.91 and 10,529.76

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Solution

The fourth proportional to 11,027.91, 15,218.91 and 10,529.76 is: 14,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.91 : 15,218.91 = 10,529.76 : x
  2. Step 2: Convert to fraction form
    11,027.91/15,218.91 = 10,529.76/x
  3. Step 3: Cross multiply
    11,027.91x = 15,218.91 × 10,529.76
  4. Step 4: Simplify right side
    11,027.91x = 160,251,469.76
  5. Step 5: Solve for x
    x = 160,251,469.76/11,027.91
  6. Step 6: Final answer
    x = 14,531.45

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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.