Home / 18,806.28-25,953.52-10,422.24

Finding the Fourth Proportional to 18,806.28, 25,953.52 and 10,422.24

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Solution

The fourth proportional to 18,806.28, 25,953.52 and 10,422.24 is: 14,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.28 : 25,953.52 = 10,422.24 : x
  2. Step 2: Convert to fraction form
    18,806.28/25,953.52 = 10,422.24/x
  3. Step 3: Cross multiply
    18,806.28x = 25,953.52 × 10,422.24
  4. Step 4: Simplify right side
    18,806.28x = 270,493,814.28
  5. Step 5: Solve for x
    x = 270,493,814.28/18,806.28
  6. Step 6: Final answer
    x = 14,383.16

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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.