Home / 9,882.90-14,815.24-3,639.49

Finding the Fourth Proportional to 9,882.90, 14,815.24 and 3,639.49

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Solution

The fourth proportional to 9,882.90, 14,815.24 and 3,639.49 is: 5,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882.90 : 14,815.24 = 3,639.49 : x
  2. Step 2: Convert to fraction form
    9,882.90/14,815.24 = 3,639.49/x
  3. Step 3: Cross multiply
    9,882.90x = 14,815.24 × 3,639.49
  4. Step 4: Simplify right side
    9,882.90x = 53,919,871.69
  5. Step 5: Solve for x
    x = 53,919,871.69/9,882.90
  6. Step 6: Final answer
    x = 5,455.88

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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.