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Finding the Fourth Proportional to 17,842.14, 26,763.81 and 8,477.32

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Solution

The fourth proportional to 17,842.14, 26,763.81 and 8,477.32 is: 12,716.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,842.14 : 26,763.81 = 8,477.32 : x
  2. Step 2: Convert to fraction form
    17,842.14/26,763.81 = 8,477.32/x
  3. Step 3: Cross multiply
    17,842.14x = 26,763.81 × 8,477.32
  4. Step 4: Simplify right side
    17,842.14x = 226,885,381.79
  5. Step 5: Solve for x
    x = 226,885,381.79/17,842.14
  6. Step 6: Final answer
    x = 12,716.27

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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.