Home / 12,782.04-19,165.50-4,981.74

Finding the Fourth Proportional to 12,782.04, 19,165.50 and 4,981.74

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Solution

The fourth proportional to 12,782.04, 19,165.50 and 4,981.74 is: 7,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782.04 : 19,165.50 = 4,981.74 : x
  2. Step 2: Convert to fraction form
    12,782.04/19,165.50 = 4,981.74/x
  3. Step 3: Cross multiply
    12,782.04x = 19,165.50 × 4,981.74
  4. Step 4: Simplify right side
    12,782.04x = 95,477,537.97
  5. Step 5: Solve for x
    x = 95,477,537.97/12,782.04
  6. Step 6: Final answer
    x = 7,469.66

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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.