Home / 18,577.98-25,638.24-13,285.44

Finding the Fourth Proportional to 18,577.98, 25,638.24 and 13,285.44

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Solution

The fourth proportional to 18,577.98, 25,638.24 and 13,285.44 is: 18,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.98 : 25,638.24 = 13,285.44 : x
  2. Step 2: Convert to fraction form
    18,577.98/25,638.24 = 13,285.44/x
  3. Step 3: Cross multiply
    18,577.98x = 25,638.24 × 13,285.44
  4. Step 4: Simplify right side
    18,577.98x = 340,615,299.23
  5. Step 5: Solve for x
    x = 340,615,299.23/18,577.98
  6. Step 6: Final answer
    x = 18,334.36

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Half scale
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Double scale
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Similar ratio
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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.