Home / 18,388.08-25,375.68-10,004.76

Finding the Fourth Proportional to 18,388.08, 25,375.68 and 10,004.76

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Solution

The fourth proportional to 18,388.08, 25,375.68 and 10,004.76 is: 13,806.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.08 : 25,375.68 = 10,004.76 : x
  2. Step 2: Convert to fraction form
    18,388.08/25,375.68 = 10,004.76/x
  3. Step 3: Cross multiply
    18,388.08x = 25,375.68 × 10,004.76
  4. Step 4: Simplify right side
    18,388.08x = 253,877,588.24
  5. Step 5: Solve for x
    x = 253,877,588.24/18,388.08
  6. Step 6: Final answer
    x = 13,806.64

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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.