Home / 13,259.57-19,890.06-3,398.93

Finding the Fourth Proportional to 13,259.57, 19,890.06 and 3,398.93

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Solution

The fourth proportional to 13,259.57, 19,890.06 and 3,398.93 is: 5,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.57 : 19,890.06 = 3,398.93 : x
  2. Step 2: Convert to fraction form
    13,259.57/19,890.06 = 3,398.93/x
  3. Step 3: Cross multiply
    13,259.57x = 19,890.06 × 3,398.93
  4. Step 4: Simplify right side
    13,259.57x = 67,604,884.03
  5. Step 5: Solve for x
    x = 67,604,884.03/13,259.57
  6. Step 6: Final answer
    x = 5,098.57

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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.