Home / 18,446.44-25,461.54-12,859.24

Finding the Fourth Proportional to 18,446.44, 25,461.54 and 12,859.24

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Solution

The fourth proportional to 18,446.44, 25,461.54 and 12,859.24 is: 17,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.44 : 25,461.54 = 12,859.24 : x
  2. Step 2: Convert to fraction form
    18,446.44/25,461.54 = 12,859.24/x
  3. Step 3: Cross multiply
    18,446.44x = 25,461.54 × 12,859.24
  4. Step 4: Simplify right side
    18,446.44x = 327,416,053.63
  5. Step 5: Solve for x
    x = 327,416,053.63/18,446.44
  6. Step 6: Final answer
    x = 17,749.55

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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.