Home / 11,015.76-16,524.68-3,620.24

Finding the Fourth Proportional to 11,015.76, 16,524.68 and 3,620.24

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Solution

The fourth proportional to 11,015.76, 16,524.68 and 3,620.24 is: 5,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.76 : 16,524.68 = 3,620.24 : x
  2. Step 2: Convert to fraction form
    11,015.76/16,524.68 = 3,620.24/x
  3. Step 3: Cross multiply
    11,015.76x = 16,524.68 × 3,620.24
  4. Step 4: Simplify right side
    11,015.76x = 59,823,307.52
  5. Step 5: Solve for x
    x = 59,823,307.52/11,015.76
  6. Step 6: Final answer
    x = 5,430.70

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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.