Home / 12,836.80-19,254.32-3,602.80

Finding the Fourth Proportional to 12,836.80, 19,254.32 and 3,602.80

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Solution

The fourth proportional to 12,836.80, 19,254.32 and 3,602.80 is: 5,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.80 : 19,254.32 = 3,602.80 : x
  2. Step 2: Convert to fraction form
    12,836.80/19,254.32 = 3,602.80/x
  3. Step 3: Cross multiply
    12,836.80x = 19,254.32 × 3,602.80
  4. Step 4: Simplify right side
    12,836.80x = 69,369,464.10
  5. Step 5: Solve for x
    x = 69,369,464.10/12,836.80
  6. Step 6: Final answer
    x = 5,403.95

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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.