Home / 15,814.56-23,725.44-5,425.68

Finding the Fourth Proportional to 15,814.56, 23,725.44 and 5,425.68

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Solution

The fourth proportional to 15,814.56, 23,725.44 and 5,425.68 is: 8,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.56 : 23,725.44 = 5,425.68 : x
  2. Step 2: Convert to fraction form
    15,814.56/23,725.44 = 5,425.68/x
  3. Step 3: Cross multiply
    15,814.56x = 23,725.44 × 5,425.68
  4. Step 4: Simplify right side
    15,814.56x = 128,726,645.30
  5. Step 5: Solve for x
    x = 128,726,645.30/15,814.56
  6. Step 6: Final answer
    x = 8,139.76

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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.