Home / 25,150.80-37,726.20-11,996.40

Finding the Fourth Proportional to 25,150.80, 37,726.20 and 11,996.40

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Solution

The fourth proportional to 25,150.80, 37,726.20 and 11,996.40 is: 17,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.80 : 37,726.20 = 11,996.40 : x
  2. Step 2: Convert to fraction form
    25,150.80/37,726.20 = 11,996.40/x
  3. Step 3: Cross multiply
    25,150.80x = 37,726.20 × 11,996.40
  4. Step 4: Simplify right side
    25,150.80x = 452,578,585.68
  5. Step 5: Solve for x
    x = 452,578,585.68/25,150.80
  6. Step 6: Final answer
    x = 17,994.60

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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.