Home / 12,063.76-18,095.68-4,272.80

Finding the Fourth Proportional to 12,063.76, 18,095.68 and 4,272.80

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Solution

The fourth proportional to 12,063.76, 18,095.68 and 4,272.80 is: 6,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.76 : 18,095.68 = 4,272.80 : x
  2. Step 2: Convert to fraction form
    12,063.76/18,095.68 = 4,272.80/x
  3. Step 3: Cross multiply
    12,063.76x = 18,095.68 × 4,272.80
  4. Step 4: Simplify right side
    12,063.76x = 77,319,221.50
  5. Step 5: Solve for x
    x = 77,319,221.50/12,063.76
  6. Step 6: Final answer
    x = 6,409.21

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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.