Home / 13,104.46-19,645.64-5,318.74

Finding the Fourth Proportional to 13,104.46, 19,645.64 and 5,318.74

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Solution

The fourth proportional to 13,104.46, 19,645.64 and 5,318.74 is: 7,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.46 : 19,645.64 = 5,318.74 : x
  2. Step 2: Convert to fraction form
    13,104.46/19,645.64 = 5,318.74/x
  3. Step 3: Cross multiply
    13,104.46x = 19,645.64 × 5,318.74
  4. Step 4: Simplify right side
    13,104.46x = 104,490,051.29
  5. Step 5: Solve for x
    x = 104,490,051.29/13,104.46
  6. Step 6: Final answer
    x = 7,973.63

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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.