Home / 19,861.32-29,746.61-9,480.36

Finding the Fourth Proportional to 19,861.32, 29,746.61 and 9,480.36

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Solution

The fourth proportional to 19,861.32, 29,746.61 and 9,480.36 is: 14,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.32 : 29,746.61 = 9,480.36 : x
  2. Step 2: Convert to fraction form
    19,861.32/29,746.61 = 9,480.36/x
  3. Step 3: Cross multiply
    19,861.32x = 29,746.61 × 9,480.36
  4. Step 4: Simplify right side
    19,861.32x = 282,008,571.58
  5. Step 5: Solve for x
    x = 282,008,571.58/19,861.32
  6. Step 6: Final answer
    x = 14,198.88

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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.