Home / 13,151.60-19,717.68-6,218

Finding the Fourth Proportional to 13,151.60, 19,717.68 and 6,218

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Solution

The fourth proportional to 13,151.60, 19,717.68 and 6,218 is: 9,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.60 : 19,717.68 = 6,218 : x
  2. Step 2: Convert to fraction form
    13,151.60/19,717.68 = 6,218/x
  3. Step 3: Cross multiply
    13,151.60x = 19,717.68 × 6,218
  4. Step 4: Simplify right side
    13,151.60x = 122,604,534.24
  5. Step 5: Solve for x
    x = 122,604,534.24/13,151.60
  6. Step 6: Final answer
    x = 9,322.40

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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.