Home / 12,070.74-18,106.12-3,305.72

Finding the Fourth Proportional to 12,070.74, 18,106.12 and 3,305.72

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Solution

The fourth proportional to 12,070.74, 18,106.12 and 3,305.72 is: 4,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.74 : 18,106.12 = 3,305.72 : x
  2. Step 2: Convert to fraction form
    12,070.74/18,106.12 = 3,305.72/x
  3. Step 3: Cross multiply
    12,070.74x = 18,106.12 × 3,305.72
  4. Step 4: Simplify right side
    12,070.74x = 59,853,763.01
  5. Step 5: Solve for x
    x = 59,853,763.01/12,070.74
  6. Step 6: Final answer
    x = 4,958.58

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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.