Home / 20,994.26-28,974.69-12,041.62

Finding the Fourth Proportional to 20,994.26, 28,974.69 and 12,041.62

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Solution

The fourth proportional to 20,994.26, 28,974.69 and 12,041.62 is: 16,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,994.26 : 28,974.69 = 12,041.62 : x
  2. Step 2: Convert to fraction form
    20,994.26/28,974.69 = 12,041.62/x
  3. Step 3: Cross multiply
    20,994.26x = 28,974.69 × 12,041.62
  4. Step 4: Simplify right side
    20,994.26x = 348,902,134.16
  5. Step 5: Solve for x
    x = 348,902,134.16/20,994.26
  6. Step 6: Final answer
    x = 16,618.93

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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.