Home / 12,263.80-18,395.87-3,498.71

Finding the Fourth Proportional to 12,263.80, 18,395.87 and 3,498.71

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Solution

The fourth proportional to 12,263.80, 18,395.87 and 3,498.71 is: 5,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.80 : 18,395.87 = 3,498.71 : x
  2. Step 2: Convert to fraction form
    12,263.80/18,395.87 = 3,498.71/x
  3. Step 3: Cross multiply
    12,263.80x = 18,395.87 × 3,498.71
  4. Step 4: Simplify right side
    12,263.80x = 64,361,814.33
  5. Step 5: Solve for x
    x = 64,361,814.33/12,263.80
  6. Step 6: Final answer
    x = 5,248.11

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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.