Home / 13,298.68-19,946.35-3,938.49

Finding the Fourth Proportional to 13,298.68, 19,946.35 and 3,938.49

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Solution

The fourth proportional to 13,298.68, 19,946.35 and 3,938.49 is: 5,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.68 : 19,946.35 = 3,938.49 : x
  2. Step 2: Convert to fraction form
    13,298.68/19,946.35 = 3,938.49/x
  3. Step 3: Cross multiply
    13,298.68x = 19,946.35 × 3,938.49
  4. Step 4: Simplify right side
    13,298.68x = 78,558,504.93
  5. Step 5: Solve for x
    x = 78,558,504.93/13,298.68
  6. Step 6: Final answer
    x = 5,907.24

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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.