Home / 12,070.44-18,106.20-3,305.16

Finding the Fourth Proportional to 12,070.44, 18,106.20 and 3,305.16

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Solution

The fourth proportional to 12,070.44, 18,106.20 and 3,305.16 is: 4,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.44 : 18,106.20 = 3,305.16 : x
  2. Step 2: Convert to fraction form
    12,070.44/18,106.20 = 3,305.16/x
  3. Step 3: Cross multiply
    12,070.44x = 18,106.20 × 3,305.16
  4. Step 4: Simplify right side
    12,070.44x = 59,843,887.99
  5. Step 5: Solve for x
    x = 59,843,887.99/12,070.44
  6. Step 6: Final answer
    x = 4,957.89

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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.