Home / 18,346.54-25,325.97-12,386.28

Finding the Fourth Proportional to 18,346.54, 25,325.97 and 12,386.28

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Solution

The fourth proportional to 18,346.54, 25,325.97 and 12,386.28 is: 17,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.54 : 25,325.97 = 12,386.28 : x
  2. Step 2: Convert to fraction form
    18,346.54/25,325.97 = 12,386.28/x
  3. Step 3: Cross multiply
    18,346.54x = 25,325.97 × 12,386.28
  4. Step 4: Simplify right side
    18,346.54x = 313,694,575.75
  5. Step 5: Solve for x
    x = 313,694,575.75/18,346.54
  6. Step 6: Final answer
    x = 17,098.30

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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.