Home / 18,286.74-25,236.09-10,328.49

Finding the Fourth Proportional to 18,286.74, 25,236.09 and 10,328.49

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Solution

The fourth proportional to 18,286.74, 25,236.09 and 10,328.49 is: 14,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.74 : 25,236.09 = 10,328.49 : x
  2. Step 2: Convert to fraction form
    18,286.74/25,236.09 = 10,328.49/x
  3. Step 3: Cross multiply
    18,286.74x = 25,236.09 × 10,328.49
  4. Step 4: Simplify right side
    18,286.74x = 260,650,703.20
  5. Step 5: Solve for x
    x = 260,650,703.20/18,286.74
  6. Step 6: Final answer
    x = 14,253.54

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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.