Home / 20,005.38-30,008.10-14,814.90

Finding the Fourth Proportional to 20,005.38, 30,008.10 and 14,814.90

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Solution

The fourth proportional to 20,005.38, 30,008.10 and 14,814.90 is: 22,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.38 : 30,008.10 = 14,814.90 : x
  2. Step 2: Convert to fraction form
    20,005.38/30,008.10 = 14,814.90/x
  3. Step 3: Cross multiply
    20,005.38x = 30,008.10 × 14,814.90
  4. Step 4: Simplify right side
    20,005.38x = 444,567,000.69
  5. Step 5: Solve for x
    x = 444,567,000.69/20,005.38
  6. Step 6: Final answer
    x = 22,222.37

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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.