Home / 14,722.05-20,314.24-8,668.69

Finding the Fourth Proportional to 14,722.05, 20,314.24 and 8,668.69

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Solution

The fourth proportional to 14,722.05, 20,314.24 and 8,668.69 is: 11,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.05 : 20,314.24 = 8,668.69 : x
  2. Step 2: Convert to fraction form
    14,722.05/20,314.24 = 8,668.69/x
  3. Step 3: Cross multiply
    14,722.05x = 20,314.24 × 8,668.69
  4. Step 4: Simplify right side
    14,722.05x = 176,097,849.15
  5. Step 5: Solve for x
    x = 176,097,849.15/14,722.05
  6. Step 6: Final answer
    x = 11,961.50

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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.