Home / 11,039.79-16,561.21-4,018.76

Finding the Fourth Proportional to 11,039.79, 16,561.21 and 4,018.76

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Solution

The fourth proportional to 11,039.79, 16,561.21 and 4,018.76 is: 6,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.79 : 16,561.21 = 4,018.76 : x
  2. Step 2: Convert to fraction form
    11,039.79/16,561.21 = 4,018.76/x
  3. Step 3: Cross multiply
    11,039.79x = 16,561.21 × 4,018.76
  4. Step 4: Simplify right side
    11,039.79x = 66,555,598.24
  5. Step 5: Solve for x
    x = 66,555,598.24/11,039.79
  6. Step 6: Final answer
    x = 6,028.70

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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.