Home / 12,298.05-18,445.10-3,530.97

Finding the Fourth Proportional to 12,298.05, 18,445.10 and 3,530.97

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Solution

The fourth proportional to 12,298.05, 18,445.10 and 3,530.97 is: 5,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.05 : 18,445.10 = 3,530.97 : x
  2. Step 2: Convert to fraction form
    12,298.05/18,445.10 = 3,530.97/x
  3. Step 3: Cross multiply
    12,298.05x = 18,445.10 × 3,530.97
  4. Step 4: Simplify right side
    12,298.05x = 65,129,077.09
  5. Step 5: Solve for x
    x = 65,129,077.09/12,298.05
  6. Step 6: Final answer
    x = 5,295.89

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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.