Home / 15,850.08-23,716.92-12,720.72

Finding the Fourth Proportional to 15,850.08, 23,716.92 and 12,720.72

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Solution

The fourth proportional to 15,850.08, 23,716.92 and 12,720.72 is: 19,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.08 : 23,716.92 = 12,720.72 : x
  2. Step 2: Convert to fraction form
    15,850.08/23,716.92 = 12,720.72/x
  3. Step 3: Cross multiply
    15,850.08x = 23,716.92 × 12,720.72
  4. Step 4: Simplify right side
    15,850.08x = 301,696,298.58
  5. Step 5: Solve for x
    x = 301,696,298.58/15,850.08
  6. Step 6: Final answer
    x = 19,034.37

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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.