Home / 20,174.04-27,842.64-12,219.04

Finding the Fourth Proportional to 20,174.04, 27,842.64 and 12,219.04

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Solution

The fourth proportional to 20,174.04, 27,842.64 and 12,219.04 is: 16,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.04 : 27,842.64 = 12,219.04 : x
  2. Step 2: Convert to fraction form
    20,174.04/27,842.64 = 12,219.04/x
  3. Step 3: Cross multiply
    20,174.04x = 27,842.64 × 12,219.04
  4. Step 4: Simplify right side
    20,174.04x = 340,210,331.87
  5. Step 5: Solve for x
    x = 340,210,331.87/20,174.04
  6. Step 6: Final answer
    x = 16,863.77

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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.