Home / 18,445.44-25,460.16-12,858.24

Finding the Fourth Proportional to 18,445.44, 25,460.16 and 12,858.24

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Solution

The fourth proportional to 18,445.44, 25,460.16 and 12,858.24 is: 17,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.44 : 25,460.16 = 12,858.24 : x
  2. Step 2: Convert to fraction form
    18,445.44/25,460.16 = 12,858.24/x
  3. Step 3: Cross multiply
    18,445.44x = 25,460.16 × 12,858.24
  4. Step 4: Simplify right side
    18,445.44x = 327,372,847.72
  5. Step 5: Solve for x
    x = 327,372,847.72/18,445.44
  6. Step 6: Final answer
    x = 17,748.17

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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.