Home / 18,314.84-27,465.69-7,920.92

Finding the Fourth Proportional to 18,314.84, 27,465.69 and 7,920.92

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Solution

The fourth proportional to 18,314.84, 27,465.69 and 7,920.92 is: 11,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.84 : 27,465.69 = 7,920.92 : x
  2. Step 2: Convert to fraction form
    18,314.84/27,465.69 = 7,920.92/x
  3. Step 3: Cross multiply
    18,314.84x = 27,465.69 × 7,920.92
  4. Step 4: Simplify right side
    18,314.84x = 217,553,533.23
  5. Step 5: Solve for x
    x = 217,553,533.23/18,314.84
  6. Step 6: Final answer
    x = 11,878.54

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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.