Home / 15,650.57-23,336.26-13,911.90

Finding the Fourth Proportional to 15,650.57, 23,336.26 and 13,911.90

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Solution

The fourth proportional to 15,650.57, 23,336.26 and 13,911.90 is: 20,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.57 : 23,336.26 = 13,911.90 : x
  2. Step 2: Convert to fraction form
    15,650.57/23,336.26 = 13,911.90/x
  3. Step 3: Cross multiply
    15,650.57x = 23,336.26 × 13,911.90
  4. Step 4: Simplify right side
    15,650.57x = 324,651,763.60
  5. Step 5: Solve for x
    x = 324,651,763.60/15,650.57
  6. Step 6: Final answer
    x = 20,743.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.