Home / 13,244.20-19,866.30-12,077.80

Finding the Fourth Proportional to 13,244.20, 19,866.30 and 12,077.80

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Solution

The fourth proportional to 13,244.20, 19,866.30 and 12,077.80 is: 18,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.20 : 19,866.30 = 12,077.80 : x
  2. Step 2: Convert to fraction form
    13,244.20/19,866.30 = 12,077.80/x
  3. Step 3: Cross multiply
    13,244.20x = 19,866.30 × 12,077.80
  4. Step 4: Simplify right side
    13,244.20x = 239,941,198.14
  5. Step 5: Solve for x
    x = 239,941,198.14/13,244.20
  6. Step 6: Final answer
    x = 18,116.70

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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.