Home / 9,736.36-13,436.23-5,487.49

Finding the Fourth Proportional to 9,736.36, 13,436.23 and 5,487.49

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Solution

The fourth proportional to 9,736.36, 13,436.23 and 5,487.49 is: 7,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,736.36 : 13,436.23 = 5,487.49 : x
  2. Step 2: Convert to fraction form
    9,736.36/13,436.23 = 5,487.49/x
  3. Step 3: Cross multiply
    9,736.36x = 13,436.23 × 5,487.49
  4. Step 4: Simplify right side
    9,736.36x = 73,731,083.14
  5. Step 5: Solve for x
    x = 73,731,083.14/9,736.36
  6. Step 6: Final answer
    x = 7,572.76

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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.