Home / 18,293.72-25,246.50-11,219.18

Finding the Fourth Proportional to 18,293.72, 25,246.50 and 11,219.18

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Solution

The fourth proportional to 18,293.72, 25,246.50 and 11,219.18 is: 15,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.72 : 25,246.50 = 11,219.18 : x
  2. Step 2: Convert to fraction form
    18,293.72/25,246.50 = 11,219.18/x
  3. Step 3: Cross multiply
    18,293.72x = 25,246.50 × 11,219.18
  4. Step 4: Simplify right side
    18,293.72x = 283,245,027.87
  5. Step 5: Solve for x
    x = 283,245,027.87/18,293.72
  6. Step 6: Final answer
    x = 15,483.18

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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.