Home / 18,552.66-25,603.32-13,260.12

Finding the Fourth Proportional to 18,552.66, 25,603.32 and 13,260.12

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Solution

The fourth proportional to 18,552.66, 25,603.32 and 13,260.12 is: 18,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.66 : 25,603.32 = 13,260.12 : x
  2. Step 2: Convert to fraction form
    18,552.66/25,603.32 = 13,260.12/x
  3. Step 3: Cross multiply
    18,552.66x = 25,603.32 × 13,260.12
  4. Step 4: Simplify right side
    18,552.66x = 339,503,095.60
  5. Step 5: Solve for x
    x = 339,503,095.60/18,552.66
  6. Step 6: Final answer
    x = 18,299.43

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Double scale
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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.