Home / 14,116-19,480.08-7,828.78

Finding the Fourth Proportional to 14,116, 19,480.08 and 7,828.78

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Solution

The fourth proportional to 14,116, 19,480.08 and 7,828.78 is: 10,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116 : 19,480.08 = 7,828.78 : x
  2. Step 2: Convert to fraction form
    14,116/19,480.08 = 7,828.78/x
  3. Step 3: Cross multiply
    14,116x = 19,480.08 × 7,828.78
  4. Step 4: Simplify right side
    14,116x = 152,505,260.70
  5. Step 5: Solve for x
    x = 152,505,260.70/14,116
  6. Step 6: Final answer
    x = 10,803.72

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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.