Home / 9,736.36-13,435.87-5,487.09

Finding the Fourth Proportional to 9,736.36, 13,435.87 and 5,487.09

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Solution

The fourth proportional to 9,736.36, 13,435.87 and 5,487.09 is: 7,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,736.36 : 13,435.87 = 5,487.09 : x
  2. Step 2: Convert to fraction form
    9,736.36/13,435.87 = 5,487.09/x
  3. Step 3: Cross multiply
    9,736.36x = 13,435.87 × 5,487.09
  4. Step 4: Simplify right side
    9,736.36x = 73,723,845.82
  5. Step 5: Solve for x
    x = 73,723,845.82/9,736.36
  6. Step 6: Final answer
    x = 7,572.01

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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.