Home / 15,857.24-23,800.62-8,071.88

Finding the Fourth Proportional to 15,857.24, 23,800.62 and 8,071.88

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Solution

The fourth proportional to 15,857.24, 23,800.62 and 8,071.88 is: 12,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.24 : 23,800.62 = 8,071.88 : x
  2. Step 2: Convert to fraction form
    15,857.24/23,800.62 = 8,071.88/x
  3. Step 3: Cross multiply
    15,857.24x = 23,800.62 × 8,071.88
  4. Step 4: Simplify right side
    15,857.24x = 192,115,748.57
  5. Step 5: Solve for x
    x = 192,115,748.57/15,857.24
  6. Step 6: Final answer
    x = 12,115.33

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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.