Home / 16,749.22-25,122.10-8,425.84

Finding the Fourth Proportional to 16,749.22, 25,122.10 and 8,425.84

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Solution

The fourth proportional to 16,749.22, 25,122.10 and 8,425.84 is: 12,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.22 : 25,122.10 = 8,425.84 : x
  2. Step 2: Convert to fraction form
    16,749.22/25,122.10 = 8,425.84/x
  3. Step 3: Cross multiply
    16,749.22x = 25,122.10 × 8,425.84
  4. Step 4: Simplify right side
    16,749.22x = 211,674,795.06
  5. Step 5: Solve for x
    x = 211,674,795.06/16,749.22
  6. Step 6: Final answer
    x = 12,637.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.