Home / 12,063.80-18,094.56-4,272.20

Finding the Fourth Proportional to 12,063.80, 18,094.56 and 4,272.20

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Solution

The fourth proportional to 12,063.80, 18,094.56 and 4,272.20 is: 6,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.80 : 18,094.56 = 4,272.20 : x
  2. Step 2: Convert to fraction form
    12,063.80/18,094.56 = 4,272.20/x
  3. Step 3: Cross multiply
    12,063.80x = 18,094.56 × 4,272.20
  4. Step 4: Simplify right side
    12,063.80x = 77,303,579.23
  5. Step 5: Solve for x
    x = 77,303,579.23/12,063.80
  6. Step 6: Final answer
    x = 6,407.90

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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.