Home / 19,749.48-27,251.30-12,676.84

Finding the Fourth Proportional to 19,749.48, 27,251.30 and 12,676.84

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Solution

The fourth proportional to 19,749.48, 27,251.30 and 12,676.84 is: 17,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.48 : 27,251.30 = 12,676.84 : x
  2. Step 2: Convert to fraction form
    19,749.48/27,251.30 = 12,676.84/x
  3. Step 3: Cross multiply
    19,749.48x = 27,251.30 × 12,676.84
  4. Step 4: Simplify right side
    19,749.48x = 345,460,369.89
  5. Step 5: Solve for x
    x = 345,460,369.89/19,749.48
  6. Step 6: Final answer
    x = 17,492.12

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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.