Home / 13,281.84-19,918.98-4,516.56

Finding the Fourth Proportional to 13,281.84, 19,918.98 and 4,516.56

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Solution

The fourth proportional to 13,281.84, 19,918.98 and 4,516.56 is: 6,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.84 : 19,918.98 = 4,516.56 : x
  2. Step 2: Convert to fraction form
    13,281.84/19,918.98 = 4,516.56/x
  3. Step 3: Cross multiply
    13,281.84x = 19,918.98 × 4,516.56
  4. Step 4: Simplify right side
    13,281.84x = 89,965,268.31
  5. Step 5: Solve for x
    x = 89,965,268.31/13,281.84
  6. Step 6: Final answer
    x = 6,773.55

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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.