Home / 9,212.49-13,832.60-5,531.21

Finding the Fourth Proportional to 9,212.49, 13,832.60 and 5,531.21

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Solution

The fourth proportional to 9,212.49, 13,832.60 and 5,531.21 is: 8,305.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.49 : 13,832.60 = 5,531.21 : x
  2. Step 2: Convert to fraction form
    9,212.49/13,832.60 = 5,531.21/x
  3. Step 3: Cross multiply
    9,212.49x = 13,832.60 × 5,531.21
  4. Step 4: Simplify right side
    9,212.49x = 76,510,918.63
  5. Step 5: Solve for x
    x = 76,510,918.63/9,212.49
  6. Step 6: Final answer
    x = 8,305.13

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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.