Home / 8,936.52-12,333.69-5,400.24

Finding the Fourth Proportional to 8,936.52, 12,333.69 and 5,400.24

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Solution

The fourth proportional to 8,936.52, 12,333.69 and 5,400.24 is: 7,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.52 : 12,333.69 = 5,400.24 : x
  2. Step 2: Convert to fraction form
    8,936.52/12,333.69 = 5,400.24/x
  3. Step 3: Cross multiply
    8,936.52x = 12,333.69 × 5,400.24
  4. Step 4: Simplify right side
    8,936.52x = 66,604,886.09
  5. Step 5: Solve for x
    x = 66,604,886.09/8,936.52
  6. Step 6: Final answer
    x = 7,453.11

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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.