Home / 18,217.58-25,141.80-10,261.38

Finding the Fourth Proportional to 18,217.58, 25,141.80 and 10,261.38

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Solution

The fourth proportional to 18,217.58, 25,141.80 and 10,261.38 is: 14,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.58 : 25,141.80 = 10,261.38 : x
  2. Step 2: Convert to fraction form
    18,217.58/25,141.80 = 10,261.38/x
  3. Step 3: Cross multiply
    18,217.58x = 25,141.80 × 10,261.38
  4. Step 4: Simplify right side
    18,217.58x = 257,989,563.68
  5. Step 5: Solve for x
    x = 257,989,563.68/18,217.58
  6. Step 6: Final answer
    x = 14,161.57

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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.