Home / 18,217.09-25,139.22-10,259.14

Finding the Fourth Proportional to 18,217.09, 25,139.22 and 10,259.14

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Solution

The fourth proportional to 18,217.09, 25,139.22 and 10,259.14 is: 14,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.09 : 25,139.22 = 10,259.14 : x
  2. Step 2: Convert to fraction form
    18,217.09/25,139.22 = 10,259.14/x
  3. Step 3: Cross multiply
    18,217.09x = 25,139.22 × 10,259.14
  4. Step 4: Simplify right side
    18,217.09x = 257,906,777.47
  5. Step 5: Solve for x
    x = 257,906,777.47/18,217.09
  6. Step 6: Final answer
    x = 14,157.41

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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.