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Finding the Fourth Proportional to 17,482.76, 26,210.49 and 11,922.32

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Solution

The fourth proportional to 17,482.76, 26,210.49 and 11,922.32 is: 17,874.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,482.76 : 26,210.49 = 11,922.32 : x
  2. Step 2: Convert to fraction form
    17,482.76/26,210.49 = 11,922.32/x
  3. Step 3: Cross multiply
    17,482.76x = 26,210.49 × 11,922.32
  4. Step 4: Simplify right side
    17,482.76x = 312,489,849.14
  5. Step 5: Solve for x
    x = 312,489,849.14/17,482.76
  6. Step 6: Final answer
    x = 17,874.17

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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.