Home / 15,640.36-23,461.26-8,709.64

Finding the Fourth Proportional to 15,640.36, 23,461.26 and 8,709.64

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Solution

The fourth proportional to 15,640.36, 23,461.26 and 8,709.64 is: 13,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.36 : 23,461.26 = 8,709.64 : x
  2. Step 2: Convert to fraction form
    15,640.36/23,461.26 = 8,709.64/x
  3. Step 3: Cross multiply
    15,640.36x = 23,461.26 × 8,709.64
  4. Step 4: Simplify right side
    15,640.36x = 204,339,128.55
  5. Step 5: Solve for x
    x = 204,339,128.55/15,640.36
  6. Step 6: Final answer
    x = 13,064.86

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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.