Home / 12,674.20-19,014.02-3,790.23

Finding the Fourth Proportional to 12,674.20, 19,014.02 and 3,790.23

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Solution

The fourth proportional to 12,674.20, 19,014.02 and 3,790.23 is: 5,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.20 : 19,014.02 = 3,790.23 : x
  2. Step 2: Convert to fraction form
    12,674.20/19,014.02 = 3,790.23/x
  3. Step 3: Cross multiply
    12,674.20x = 19,014.02 × 3,790.23
  4. Step 4: Simplify right side
    12,674.20x = 72,067,509.02
  5. Step 5: Solve for x
    x = 72,067,509.02/12,674.20
  6. Step 6: Final answer
    x = 5,686.16

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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.