Home / 12,029.13-18,045.39-3,709.82

Finding the Fourth Proportional to 12,029.13, 18,045.39 and 3,709.82

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Solution

The fourth proportional to 12,029.13, 18,045.39 and 3,709.82 is: 5,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.13 : 18,045.39 = 3,709.82 : x
  2. Step 2: Convert to fraction form
    12,029.13/18,045.39 = 3,709.82/x
  3. Step 3: Cross multiply
    12,029.13x = 18,045.39 × 3,709.82
  4. Step 4: Simplify right side
    12,029.13x = 66,945,058.50
  5. Step 5: Solve for x
    x = 66,945,058.50/12,029.13
  6. Step 6: Final answer
    x = 5,565.25

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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.