Home / 18,513.18-27,762.30-6,823.80

Finding the Fourth Proportional to 18,513.18, 27,762.30 and 6,823.80

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Solution

The fourth proportional to 18,513.18, 27,762.30 and 6,823.80 is: 10,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.18 : 27,762.30 = 6,823.80 : x
  2. Step 2: Convert to fraction form
    18,513.18/27,762.30 = 6,823.80/x
  3. Step 3: Cross multiply
    18,513.18x = 27,762.30 × 6,823.80
  4. Step 4: Simplify right side
    18,513.18x = 189,444,382.74
  5. Step 5: Solve for x
    x = 189,444,382.74/18,513.18
  6. Step 6: Final answer
    x = 10,232.95

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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.