Home / 12,937.23-19,391.81-8,493.03

Finding the Fourth Proportional to 12,937.23, 19,391.81 and 8,493.03

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Solution

The fourth proportional to 12,937.23, 19,391.81 and 8,493.03 is: 12,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.23 : 19,391.81 = 8,493.03 : x
  2. Step 2: Convert to fraction form
    12,937.23/19,391.81 = 8,493.03/x
  3. Step 3: Cross multiply
    12,937.23x = 19,391.81 × 8,493.03
  4. Step 4: Simplify right side
    12,937.23x = 164,695,181.62
  5. Step 5: Solve for x
    x = 164,695,181.62/12,937.23
  6. Step 6: Final answer
    x = 12,730.33

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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.