Home / 10,713.70-16,068.03-2,920.66

Finding the Fourth Proportional to 10,713.70, 16,068.03 and 2,920.66

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Solution

The fourth proportional to 10,713.70, 16,068.03 and 2,920.66 is: 4,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.70 : 16,068.03 = 2,920.66 : x
  2. Step 2: Convert to fraction form
    10,713.70/16,068.03 = 2,920.66/x
  3. Step 3: Cross multiply
    10,713.70x = 16,068.03 × 2,920.66
  4. Step 4: Simplify right side
    10,713.70x = 46,929,252.50
  5. Step 5: Solve for x
    x = 46,929,252.50/10,713.70
  6. Step 6: Final answer
    x = 4,380.30

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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.