Home / 13,116.54-19,674.64-7,853.02

Finding the Fourth Proportional to 13,116.54, 19,674.64 and 7,853.02

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Solution

The fourth proportional to 13,116.54, 19,674.64 and 7,853.02 is: 11,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.54 : 19,674.64 = 7,853.02 : x
  2. Step 2: Convert to fraction form
    13,116.54/19,674.64 = 7,853.02/x
  3. Step 3: Cross multiply
    13,116.54x = 19,674.64 × 7,853.02
  4. Step 4: Simplify right side
    13,116.54x = 154,505,341.41
  5. Step 5: Solve for x
    x = 154,505,341.41/13,116.54
  6. Step 6: Final answer
    x = 11,779.43

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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.