Home / 18,286.67-25,235.47-10,330.45

Finding the Fourth Proportional to 18,286.67, 25,235.47 and 10,330.45

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Solution

The fourth proportional to 18,286.67, 25,235.47 and 10,330.45 is: 14,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.67 : 25,235.47 = 10,330.45 : x
  2. Step 2: Convert to fraction form
    18,286.67/25,235.47 = 10,330.45/x
  3. Step 3: Cross multiply
    18,286.67x = 25,235.47 × 10,330.45
  4. Step 4: Simplify right side
    18,286.67x = 260,693,761.06
  5. Step 5: Solve for x
    x = 260,693,761.06/18,286.67
  6. Step 6: Final answer
    x = 14,255.94

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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.