Home / 12,949.02-19,381.76-6,700.43

Finding the Fourth Proportional to 12,949.02, 19,381.76 and 6,700.43

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Solution

The fourth proportional to 12,949.02, 19,381.76 and 6,700.43 is: 10,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.02 : 19,381.76 = 6,700.43 : x
  2. Step 2: Convert to fraction form
    12,949.02/19,381.76 = 6,700.43/x
  3. Step 3: Cross multiply
    12,949.02x = 19,381.76 × 6,700.43
  4. Step 4: Simplify right side
    12,949.02x = 129,866,166.24
  5. Step 5: Solve for x
    x = 129,866,166.24/12,949.02
  6. Step 6: Final answer
    x = 10,029.03

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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.