Home / 12,875.49-19,276.80-8,183.88

Finding the Fourth Proportional to 12,875.49, 19,276.80 and 8,183.88

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Solution

The fourth proportional to 12,875.49, 19,276.80 and 8,183.88 is: 12,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.49 : 19,276.80 = 8,183.88 : x
  2. Step 2: Convert to fraction form
    12,875.49/19,276.80 = 8,183.88/x
  3. Step 3: Cross multiply
    12,875.49x = 19,276.80 × 8,183.88
  4. Step 4: Simplify right side
    12,875.49x = 157,759,017.98
  5. Step 5: Solve for x
    x = 157,759,017.98/12,875.49
  6. Step 6: Final answer
    x = 12,252.66

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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.