Home / 12,263.88-18,395.99-3,498.80

Finding the Fourth Proportional to 12,263.88, 18,395.99 and 3,498.80

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Solution

The fourth proportional to 12,263.88, 18,395.99 and 3,498.80 is: 5,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.88 : 18,395.99 = 3,498.80 : x
  2. Step 2: Convert to fraction form
    12,263.88/18,395.99 = 3,498.80/x
  3. Step 3: Cross multiply
    12,263.88x = 18,395.99 × 3,498.80
  4. Step 4: Simplify right side
    12,263.88x = 64,363,797.83
  5. Step 5: Solve for x
    x = 64,363,797.83/12,263.88
  6. Step 6: Final answer
    x = 5,248.24

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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.