Home / 25,257.35-37,909.40-12,786.14

Finding the Fourth Proportional to 25,257.35, 37,909.40 and 12,786.14

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Solution

The fourth proportional to 25,257.35, 37,909.40 and 12,786.14 is: 19,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,257.35 : 37,909.40 = 12,786.14 : x
  2. Step 2: Convert to fraction form
    25,257.35/37,909.40 = 12,786.14/x
  3. Step 3: Cross multiply
    25,257.35x = 37,909.40 × 12,786.14
  4. Step 4: Simplify right side
    25,257.35x = 484,714,895.72
  5. Step 5: Solve for x
    x = 484,714,895.72/25,257.35
  6. Step 6: Final answer
    x = 19,191.04

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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.