Home / 13,257.72-19,882.37-4,490.58

Finding the Fourth Proportional to 13,257.72, 19,882.37 and 4,490.58

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Solution

The fourth proportional to 13,257.72, 19,882.37 and 4,490.58 is: 6,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.72 : 19,882.37 = 4,490.58 : x
  2. Step 2: Convert to fraction form
    13,257.72/19,882.37 = 4,490.58/x
  3. Step 3: Cross multiply
    13,257.72x = 19,882.37 × 4,490.58
  4. Step 4: Simplify right side
    13,257.72x = 89,283,384.30
  5. Step 5: Solve for x
    x = 89,283,384.30/13,257.72
  6. Step 6: Final answer
    x = 6,734.44

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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.