Home / 10,887.70-16,339.30-4,315.31

Finding the Fourth Proportional to 10,887.70, 16,339.30 and 4,315.31

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Solution

The fourth proportional to 10,887.70, 16,339.30 and 4,315.31 is: 6,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.70 : 16,339.30 = 4,315.31 : x
  2. Step 2: Convert to fraction form
    10,887.70/16,339.30 = 4,315.31/x
  3. Step 3: Cross multiply
    10,887.70x = 16,339.30 × 4,315.31
  4. Step 4: Simplify right side
    10,887.70x = 70,509,144.68
  5. Step 5: Solve for x
    x = 70,509,144.68/10,887.70
  6. Step 6: Final answer
    x = 6,476.04

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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.