Home / 14,723.97-20,319.30-8,009.61

Finding the Fourth Proportional to 14,723.97, 20,319.30 and 8,009.61

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Solution

The fourth proportional to 14,723.97, 20,319.30 and 8,009.61 is: 11,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.97 : 20,319.30 = 8,009.61 : x
  2. Step 2: Convert to fraction form
    14,723.97/20,319.30 = 8,009.61/x
  3. Step 3: Cross multiply
    14,723.97x = 20,319.30 × 8,009.61
  4. Step 4: Simplify right side
    14,723.97x = 162,749,668.47
  5. Step 5: Solve for x
    x = 162,749,668.47/14,723.97
  6. Step 6: Final answer
    x = 11,053.38

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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.