Home / 20,013.85-29,994.81-8,153.83

Finding the Fourth Proportional to 20,013.85, 29,994.81 and 8,153.83

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Solution

The fourth proportional to 20,013.85, 29,994.81 and 8,153.83 is: 12,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.85 : 29,994.81 = 8,153.83 : x
  2. Step 2: Convert to fraction form
    20,013.85/29,994.81 = 8,153.83/x
  3. Step 3: Cross multiply
    20,013.85x = 29,994.81 × 8,153.83
  4. Step 4: Simplify right side
    20,013.85x = 244,572,581.62
  5. Step 5: Solve for x
    x = 244,572,581.62/20,013.85
  6. Step 6: Final answer
    x = 12,220.17

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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.