Home / 18,209.32-25,129.34-10,251.83

Finding the Fourth Proportional to 18,209.32, 25,129.34 and 10,251.83

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Solution

The fourth proportional to 18,209.32, 25,129.34 and 10,251.83 is: 14,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.32 : 25,129.34 = 10,251.83 : x
  2. Step 2: Convert to fraction form
    18,209.32/25,129.34 = 10,251.83/x
  3. Step 3: Cross multiply
    18,209.32x = 25,129.34 × 10,251.83
  4. Step 4: Simplify right side
    18,209.32x = 257,621,733.26
  5. Step 5: Solve for x
    x = 257,621,733.26/18,209.32
  6. Step 6: Final answer
    x = 14,147.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.