Home / 19,458.83-29,140.41-12,418.06

Finding the Fourth Proportional to 19,458.83, 29,140.41 and 12,418.06

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Solution

The fourth proportional to 19,458.83, 29,140.41 and 12,418.06 is: 18,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.83 : 29,140.41 = 12,418.06 : x
  2. Step 2: Convert to fraction form
    19,458.83/29,140.41 = 12,418.06/x
  3. Step 3: Cross multiply
    19,458.83x = 29,140.41 × 12,418.06
  4. Step 4: Simplify right side
    19,458.83x = 361,867,318.31
  5. Step 5: Solve for x
    x = 361,867,318.31/19,458.83
  6. Step 6: Final answer
    x = 18,596.56

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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.