Home / 14,140.53-21,192.44-6,729.57

Finding the Fourth Proportional to 14,140.53, 21,192.44 and 6,729.57

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Solution

The fourth proportional to 14,140.53, 21,192.44 and 6,729.57 is: 10,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.53 : 21,192.44 = 6,729.57 : x
  2. Step 2: Convert to fraction form
    14,140.53/21,192.44 = 6,729.57/x
  3. Step 3: Cross multiply
    14,140.53x = 21,192.44 × 6,729.57
  4. Step 4: Simplify right side
    14,140.53x = 142,615,974.80
  5. Step 5: Solve for x
    x = 142,615,974.80/14,140.53
  6. Step 6: Final answer
    x = 10,085.62

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1.5x scale

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.