Home / 9,013.78-13,519.00-2,439.11

Finding the Fourth Proportional to 9,013.78, 13,519.00 and 2,439.11

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Solution

The fourth proportional to 9,013.78, 13,519.00 and 2,439.11 is: 3,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.78 : 13,519.00 = 2,439.11 : x
  2. Step 2: Convert to fraction form
    9,013.78/13,519.00 = 2,439.11/x
  3. Step 3: Cross multiply
    9,013.78x = 13,519.00 × 2,439.11
  4. Step 4: Simplify right side
    9,013.78x = 32,974,364.94
  5. Step 5: Solve for x
    x = 32,974,364.94/9,013.78
  6. Step 6: Final answer
    x = 3,658.22

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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.