Home / 12,574.09-18,860.80-4,254.04

Finding the Fourth Proportional to 12,574.09, 18,860.80 and 4,254.04

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Solution

The fourth proportional to 12,574.09, 18,860.80 and 4,254.04 is: 6,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.09 : 18,860.80 = 4,254.04 : x
  2. Step 2: Convert to fraction form
    12,574.09/18,860.80 = 4,254.04/x
  3. Step 3: Cross multiply
    12,574.09x = 18,860.80 × 4,254.04
  4. Step 4: Simplify right side
    12,574.09x = 80,234,597.63
  5. Step 5: Solve for x
    x = 80,234,597.63/12,574.09
  6. Step 6: Final answer
    x = 6,380.95

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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.