Home / 13,308.77-19,953.13-8,042.66

Finding the Fourth Proportional to 13,308.77, 19,953.13 and 8,042.66

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Solution

The fourth proportional to 13,308.77, 19,953.13 and 8,042.66 is: 12,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.77 : 19,953.13 = 8,042.66 : x
  2. Step 2: Convert to fraction form
    13,308.77/19,953.13 = 8,042.66/x
  3. Step 3: Cross multiply
    13,308.77x = 19,953.13 × 8,042.66
  4. Step 4: Simplify right side
    13,308.77x = 160,476,240.53
  5. Step 5: Solve for x
    x = 160,476,240.53/13,308.77
  6. Step 6: Final answer
    x = 12,057.93

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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.