Home / 14,678.76-21,962.96-8,733.76

Finding the Fourth Proportional to 14,678.76, 21,962.96 and 8,733.76

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Solution

The fourth proportional to 14,678.76, 21,962.96 and 8,733.76 is: 13,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.76 : 21,962.96 = 8,733.76 : x
  2. Step 2: Convert to fraction form
    14,678.76/21,962.96 = 8,733.76/x
  3. Step 3: Cross multiply
    14,678.76x = 21,962.96 × 8,733.76
  4. Step 4: Simplify right side
    14,678.76x = 191,819,221.53
  5. Step 5: Solve for x
    x = 191,819,221.53/14,678.76
  6. Step 6: Final answer
    x = 13,067.81

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1.5x scale

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.