Home / 14,273.70-19,699.77-8,308.66

Finding the Fourth Proportional to 14,273.70, 19,699.77 and 8,308.66

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Solution

The fourth proportional to 14,273.70, 19,699.77 and 8,308.66 is: 11,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.70 : 19,699.77 = 8,308.66 : x
  2. Step 2: Convert to fraction form
    14,273.70/19,699.77 = 8,308.66/x
  3. Step 3: Cross multiply
    14,273.70x = 19,699.77 × 8,308.66
  4. Step 4: Simplify right side
    14,273.70x = 163,678,691.01
  5. Step 5: Solve for x
    x = 163,678,691.01/14,273.70
  6. Step 6: Final answer
    x = 11,467.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.