Home / 9,529.54-13,149.74-5,280.48

Finding the Fourth Proportional to 9,529.54, 13,149.74 and 5,280.48

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Solution

The fourth proportional to 9,529.54, 13,149.74 and 5,280.48 is: 7,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529.54 : 13,149.74 = 5,280.48 : x
  2. Step 2: Convert to fraction form
    9,529.54/13,149.74 = 5,280.48/x
  3. Step 3: Cross multiply
    9,529.54x = 13,149.74 × 5,280.48
  4. Step 4: Simplify right side
    9,529.54x = 69,436,952.28
  5. Step 5: Solve for x
    x = 69,436,952.28/9,529.54
  6. Step 6: Final answer
    x = 7,286.50

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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.