Home / 12,748.92-19,133.10-4,958.34

Finding the Fourth Proportional to 12,748.92, 19,133.10 and 4,958.34

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Solution

The fourth proportional to 12,748.92, 19,133.10 and 4,958.34 is: 7,441.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.92 : 19,133.10 = 4,958.34 : x
  2. Step 2: Convert to fraction form
    12,748.92/19,133.10 = 4,958.34/x
  3. Step 3: Cross multiply
    12,748.92x = 19,133.10 × 4,958.34
  4. Step 4: Simplify right side
    12,748.92x = 94,868,415.05
  5. Step 5: Solve for x
    x = 94,868,415.05/12,748.92
  6. Step 6: Final answer
    x = 7,441.29

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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.