Home / 9,736.72-13,436.65-5,260.45

Finding the Fourth Proportional to 9,736.72, 13,436.65 and 5,260.45

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Solution

The fourth proportional to 9,736.72, 13,436.65 and 5,260.45 is: 7,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,736.72 : 13,436.65 = 5,260.45 : x
  2. Step 2: Convert to fraction form
    9,736.72/13,436.65 = 5,260.45/x
  3. Step 3: Cross multiply
    9,736.72x = 13,436.65 × 5,260.45
  4. Step 4: Simplify right side
    9,736.72x = 70,682,880.36
  5. Step 5: Solve for x
    x = 70,682,880.36/9,736.72
  6. Step 6: Final answer
    x = 7,259.42

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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.