Home / 14,759.34-20,395.71-11,640.30

Finding the Fourth Proportional to 14,759.34, 20,395.71 and 11,640.30

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Solution

The fourth proportional to 14,759.34, 20,395.71 and 11,640.30 is: 16,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.34 : 20,395.71 = 11,640.30 : x
  2. Step 2: Convert to fraction form
    14,759.34/20,395.71 = 11,640.30/x
  3. Step 3: Cross multiply
    14,759.34x = 20,395.71 × 11,640.30
  4. Step 4: Simplify right side
    14,759.34x = 237,412,183.11
  5. Step 5: Solve for x
    x = 237,412,183.11/14,759.34
  6. Step 6: Final answer
    x = 16,085.56

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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.