Home / 9,212.14-13,820.94-4,284.70

Finding the Fourth Proportional to 9,212.14, 13,820.94 and 4,284.70

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Solution

The fourth proportional to 9,212.14, 13,820.94 and 4,284.70 is: 6,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.14 : 13,820.94 = 4,284.70 : x
  2. Step 2: Convert to fraction form
    9,212.14/13,820.94 = 4,284.70/x
  3. Step 3: Cross multiply
    9,212.14x = 13,820.94 × 4,284.70
  4. Step 4: Simplify right side
    9,212.14x = 59,218,581.62
  5. Step 5: Solve for x
    x = 59,218,581.62/9,212.14
  6. Step 6: Final answer
    x = 6,428.32

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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.