Home / 18,436.80-27,651.60-6,124.80

Finding the Fourth Proportional to 18,436.80, 27,651.60 and 6,124.80

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Solution

The fourth proportional to 18,436.80, 27,651.60 and 6,124.80 is: 9,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.80 : 27,651.60 = 6,124.80 : x
  2. Step 2: Convert to fraction form
    18,436.80/27,651.60 = 6,124.80/x
  3. Step 3: Cross multiply
    18,436.80x = 27,651.60 × 6,124.80
  4. Step 4: Simplify right side
    18,436.80x = 169,360,519.68
  5. Step 5: Solve for x
    x = 169,360,519.68/18,436.80
  6. Step 6: Final answer
    x = 9,186.00

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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.