Home / 10,640.30-14,682.67-6,162.62

Finding the Fourth Proportional to 10,640.30, 14,682.67 and 6,162.62

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Solution

The fourth proportional to 10,640.30, 14,682.67 and 6,162.62 is: 8,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.30 : 14,682.67 = 6,162.62 : x
  2. Step 2: Convert to fraction form
    10,640.30/14,682.67 = 6,162.62/x
  3. Step 3: Cross multiply
    10,640.30x = 14,682.67 × 6,162.62
  4. Step 4: Simplify right side
    10,640.30x = 90,483,626.98
  5. Step 5: Solve for x
    x = 90,483,626.98/10,640.30
  6. Step 6: Final answer
    x = 8,503.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.