Home / 25,147.80-37,699.38-12,651.48

Finding the Fourth Proportional to 25,147.80, 37,699.38 and 12,651.48

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Solution

The fourth proportional to 25,147.80, 37,699.38 and 12,651.48 is: 18,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.80 : 37,699.38 = 12,651.48 : x
  2. Step 2: Convert to fraction form
    25,147.80/37,699.38 = 12,651.48/x
  3. Step 3: Cross multiply
    25,147.80x = 37,699.38 × 12,651.48
  4. Step 4: Simplify right side
    25,147.80x = 476,952,952.08
  5. Step 5: Solve for x
    x = 476,952,952.08/25,147.80
  6. Step 6: Final answer
    x = 18,965.99

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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.