Home / 13,386.10-20,083.16-5,068.66

Finding the Fourth Proportional to 13,386.10, 20,083.16 and 5,068.66

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Solution

The fourth proportional to 13,386.10, 20,083.16 and 5,068.66 is: 7,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.10 : 20,083.16 = 5,068.66 : x
  2. Step 2: Convert to fraction form
    13,386.10/20,083.16 = 5,068.66/x
  3. Step 3: Cross multiply
    13,386.10x = 20,083.16 × 5,068.66
  4. Step 4: Simplify right side
    13,386.10x = 101,794,709.77
  5. Step 5: Solve for x
    x = 101,794,709.77/13,386.10
  6. Step 6: Final answer
    x = 7,604.51

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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.