Home / 9,215.64-13,815.72-3,673.08

Finding the Fourth Proportional to 9,215.64, 13,815.72 and 3,673.08

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Solution

The fourth proportional to 9,215.64, 13,815.72 and 3,673.08 is: 5,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.64 : 13,815.72 = 3,673.08 : x
  2. Step 2: Convert to fraction form
    9,215.64/13,815.72 = 3,673.08/x
  3. Step 3: Cross multiply
    9,215.64x = 13,815.72 × 3,673.08
  4. Step 4: Simplify right side
    9,215.64x = 50,746,244.82
  5. Step 5: Solve for x
    x = 50,746,244.82/9,215.64
  6. Step 6: Final answer
    x = 5,506.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.