Home / 19,537.88-29,240.12-12,418.50

Finding the Fourth Proportional to 19,537.88, 29,240.12 and 12,418.50

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Solution

The fourth proportional to 19,537.88, 29,240.12 and 12,418.50 is: 18,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.88 : 29,240.12 = 12,418.50 : x
  2. Step 2: Convert to fraction form
    19,537.88/29,240.12 = 12,418.50/x
  3. Step 3: Cross multiply
    19,537.88x = 29,240.12 × 12,418.50
  4. Step 4: Simplify right side
    19,537.88x = 363,118,570.92
  5. Step 5: Solve for x
    x = 363,118,570.92/19,537.88
  6. Step 6: Final answer
    x = 18,585.37

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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.