Home / 12,754.02-19,131.08-3,869.43

Finding the Fourth Proportional to 12,754.02, 19,131.08 and 3,869.43

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Solution

The fourth proportional to 12,754.02, 19,131.08 and 3,869.43 is: 5,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.02 : 19,131.08 = 3,869.43 : x
  2. Step 2: Convert to fraction form
    12,754.02/19,131.08 = 3,869.43/x
  3. Step 3: Cross multiply
    12,754.02x = 19,131.08 × 3,869.43
  4. Step 4: Simplify right side
    12,754.02x = 74,026,259.88
  5. Step 5: Solve for x
    x = 74,026,259.88/12,754.02
  6. Step 6: Final answer
    x = 5,804.15

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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.