Home / 19,493.70-29,242.40-5,453.73

Finding the Fourth Proportional to 19,493.70, 29,242.40 and 5,453.73

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Solution

The fourth proportional to 19,493.70, 29,242.40 and 5,453.73 is: 8,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.70 : 29,242.40 = 5,453.73 : x
  2. Step 2: Convert to fraction form
    19,493.70/29,242.40 = 5,453.73/x
  3. Step 3: Cross multiply
    19,493.70x = 29,242.40 × 5,453.73
  4. Step 4: Simplify right side
    19,493.70x = 159,480,154.15
  5. Step 5: Solve for x
    x = 159,480,154.15/19,493.70
  6. Step 6: Final answer
    x = 8,181.11

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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.