Home / 15,668.78-23,512.37-5,814.90

Finding the Fourth Proportional to 15,668.78, 23,512.37 and 5,814.90

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Solution

The fourth proportional to 15,668.78, 23,512.37 and 5,814.90 is: 8,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.78 : 23,512.37 = 5,814.90 : x
  2. Step 2: Convert to fraction form
    15,668.78/23,512.37 = 5,814.90/x
  3. Step 3: Cross multiply
    15,668.78x = 23,512.37 × 5,814.90
  4. Step 4: Simplify right side
    15,668.78x = 136,722,051.24
  5. Step 5: Solve for x
    x = 136,722,051.24/15,668.78
  6. Step 6: Final answer
    x = 8,725.77

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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.