Home / 14,614.23-20,172.20-8,330.79

Finding the Fourth Proportional to 14,614.23, 20,172.20 and 8,330.79

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Solution

The fourth proportional to 14,614.23, 20,172.20 and 8,330.79 is: 11,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.23 : 20,172.20 = 8,330.79 : x
  2. Step 2: Convert to fraction form
    14,614.23/20,172.20 = 8,330.79/x
  3. Step 3: Cross multiply
    14,614.23x = 20,172.20 × 8,330.79
  4. Step 4: Simplify right side
    14,614.23x = 168,050,320.38
  5. Step 5: Solve for x
    x = 168,050,320.38/14,614.23
  6. Step 6: Final answer
    x = 11,499.09

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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.