Home / 13,143.60-19,705.68-6,210

Finding the Fourth Proportional to 13,143.60, 19,705.68 and 6,210

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Solution

The fourth proportional to 13,143.60, 19,705.68 and 6,210 is: 9,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143.60 : 19,705.68 = 6,210 : x
  2. Step 2: Convert to fraction form
    13,143.60/19,705.68 = 6,210/x
  3. Step 3: Cross multiply
    13,143.60x = 19,705.68 × 6,210
  4. Step 4: Simplify right side
    13,143.60x = 122,372,272.80
  5. Step 5: Solve for x
    x = 122,372,272.80/13,143.60
  6. Step 6: Final answer
    x = 9,310.41

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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.