Home / 20,007.36-30,011.04-6,156

Finding the Fourth Proportional to 20,007.36, 30,011.04 and 6,156

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Solution

The fourth proportional to 20,007.36, 30,011.04 and 6,156 is: 9,234

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.36 : 30,011.04 = 6,156 : x
  2. Step 2: Convert to fraction form
    20,007.36/30,011.04 = 6,156/x
  3. Step 3: Cross multiply
    20,007.36x = 30,011.04 × 6,156
  4. Step 4: Simplify right side
    20,007.36x = 184,747,962.24
  5. Step 5: Solve for x
    x = 184,747,962.24/20,007.36
  6. Step 6: Final answer
    x = 9,234

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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.