Home / 10,679.28-16,018.32-2,887.50

Finding the Fourth Proportional to 10,679.28, 16,018.32 and 2,887.50

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Solution

The fourth proportional to 10,679.28, 16,018.32 and 2,887.50 is: 4,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.28 : 16,018.32 = 2,887.50 : x
  2. Step 2: Convert to fraction form
    10,679.28/16,018.32 = 2,887.50/x
  3. Step 3: Cross multiply
    10,679.28x = 16,018.32 × 2,887.50
  4. Step 4: Simplify right side
    10,679.28x = 46,252,899
  5. Step 5: Solve for x
    x = 46,252,899/10,679.28
  6. Step 6: Final answer
    x = 4,331.09

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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.