Home / 18,240.69-25,171.26-10,282.88

Finding the Fourth Proportional to 18,240.69, 25,171.26 and 10,282.88

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Solution

The fourth proportional to 18,240.69, 25,171.26 and 10,282.88 is: 14,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.69 : 25,171.26 = 10,282.88 : x
  2. Step 2: Convert to fraction form
    18,240.69/25,171.26 = 10,282.88/x
  3. Step 3: Cross multiply
    18,240.69x = 25,171.26 × 10,282.88
  4. Step 4: Simplify right side
    18,240.69x = 258,833,070.40
  5. Step 5: Solve for x
    x = 258,833,070.40/18,240.69
  6. Step 6: Final answer
    x = 14,189.87

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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.