Home / 20,285.60-27,994.06-11,333.14

Finding the Fourth Proportional to 20,285.60, 27,994.06 and 11,333.14

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Solution

The fourth proportional to 20,285.60, 27,994.06 and 11,333.14 is: 15,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285.60 : 27,994.06 = 11,333.14 : x
  2. Step 2: Convert to fraction form
    20,285.60/27,994.06 = 11,333.14/x
  3. Step 3: Cross multiply
    20,285.60x = 27,994.06 × 11,333.14
  4. Step 4: Simplify right side
    20,285.60x = 317,260,601.15
  5. Step 5: Solve for x
    x = 317,260,601.15/20,285.60
  6. Step 6: Final answer
    x = 15,639.70

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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.