Home / 18,284.45-25,231.92-10,218.60

Finding the Fourth Proportional to 18,284.45, 25,231.92 and 10,218.60

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Solution

The fourth proportional to 18,284.45, 25,231.92 and 10,218.60 is: 14,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.45 : 25,231.92 = 10,218.60 : x
  2. Step 2: Convert to fraction form
    18,284.45/25,231.92 = 10,218.60/x
  3. Step 3: Cross multiply
    18,284.45x = 25,231.92 × 10,218.60
  4. Step 4: Simplify right side
    18,284.45x = 257,834,897.71
  5. Step 5: Solve for x
    x = 257,834,897.71/18,284.45
  6. Step 6: Final answer
    x = 14,101.32

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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.