Home / 13,057.29-19,610.06-6,821.57

Finding the Fourth Proportional to 13,057.29, 19,610.06 and 6,821.57

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Solution

The fourth proportional to 13,057.29, 19,610.06 and 6,821.57 is: 10,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.29 : 19,610.06 = 6,821.57 : x
  2. Step 2: Convert to fraction form
    13,057.29/19,610.06 = 6,821.57/x
  3. Step 3: Cross multiply
    13,057.29x = 19,610.06 × 6,821.57
  4. Step 4: Simplify right side
    13,057.29x = 133,771,264.84
  5. Step 5: Solve for x
    x = 133,771,264.84/13,057.29
  6. Step 6: Final answer
    x = 10,244.95

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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.