Home / 14,738.40-22,129.92-11,967.84

Finding the Fourth Proportional to 14,738.40, 22,129.92 and 11,967.84

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Solution

The fourth proportional to 14,738.40, 22,129.92 and 11,967.84 is: 17,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.40 : 22,129.92 = 11,967.84 : x
  2. Step 2: Convert to fraction form
    14,738.40/22,129.92 = 11,967.84/x
  3. Step 3: Cross multiply
    14,738.40x = 22,129.92 × 11,967.84
  4. Step 4: Simplify right side
    14,738.40x = 264,847,341.77
  5. Step 5: Solve for x
    x = 264,847,341.77/14,738.40
  6. Step 6: Final answer
    x = 17,969.88

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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.