Home / 10,895.40-16,343.26-2,687.40

Finding the Fourth Proportional to 10,895.40, 16,343.26 and 2,687.40

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Solution

The fourth proportional to 10,895.40, 16,343.26 and 2,687.40 is: 4,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.40 : 16,343.26 = 2,687.40 : x
  2. Step 2: Convert to fraction form
    10,895.40/16,343.26 = 2,687.40/x
  3. Step 3: Cross multiply
    10,895.40x = 16,343.26 × 2,687.40
  4. Step 4: Simplify right side
    10,895.40x = 43,920,876.92
  5. Step 5: Solve for x
    x = 43,920,876.92/10,895.40
  6. Step 6: Final answer
    x = 4,031.14

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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.