Home / 13,260.57-18,299.58-7,292.64

Finding the Fourth Proportional to 13,260.57, 18,299.58 and 7,292.64

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Solution

The fourth proportional to 13,260.57, 18,299.58 and 7,292.64 is: 10,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.57 : 18,299.58 = 7,292.64 : x
  2. Step 2: Convert to fraction form
    13,260.57/18,299.58 = 7,292.64/x
  3. Step 3: Cross multiply
    13,260.57x = 18,299.58 × 7,292.64
  4. Step 4: Simplify right side
    13,260.57x = 133,452,249.09
  5. Step 5: Solve for x
    x = 133,452,249.09/13,260.57
  6. Step 6: Final answer
    x = 10,063.84

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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.